Wide Compatibility Designed for effortless crank arm removal and installation, this crank repair tool is compatible with square taper, Shimano Octalink, ISIS, PowerSpline, and most other splined crank arms. High-Precision Crank Puller Feature a 3.1 extended threaded shaft and precisely machined puller plug threads for safe bearing installation. Prevent misalignment, wear, creaking, and potential frame or crank damageensuring smooth, reliable performance. Heavy-Duty Carbon Steel Expertly crafted from high-strength carbon steel, this puller tool delivers exceptional hardness and durability. Its 3-layer electroplated, sandblasted surface resists wear and corrosion, maintaining precision through repeated use. Reliable 8-Tooth Socket Easily remove or install 8-notch components with secure engagement. Compatible with Shimano Octalink and ISIS Drive bottom bracket cups and chainring lockrings. Also fit select Bosch models such as Gen 3 and Gen 4 e-bike systems. Compact Portable This bike repair kit is perfect for daily maintenance or on-the-go repairs. Suitable for most bikesmountain, road, commuter, folding, e-bikes, and more. A must-have for home bike mechanics, weekend riders, and cycling enthusiasts.

MaterialThe Bicycle crank arms are made of high quality Forged Alloy 6061, this crank arm is sturdy and durable,High strength, high hardness, not easy to deform.. SizeThis Crank Arm Length is available in 6 sizes140MM152MM160MM165MM170MM175MM,Before purchasing this product, please make sure that the size of this product is consistent with the size you need,This Crank Arm can only be used on electric bicycles.. Spindle Interface TypeSquare taper. Please check if the orientation of your crank is Square. Keep both left and right things having the same hole.. Installation TipsThis crank arm is divided into left and right side, please pay attention to the left and right side when installing, the crank arm is written L and R, L is installed on the left side, R is installed on the right side. L is installed on the left side, R is installed on the right side. If you install it wrong, it will not work.. Crank Arm NoteIf you have replaced the crank once, then you need to replace the bottom bracket when you update the crank again, because the life of the general bottom bracket is only 2 times. If you encounter any problems in the process of use, please let us know, we will help you solve the problem, give you a satisfactory solution.

4 Specifications Available black hole black hole silver hole silver hole size about 21 x 4 x 3cm, 8.27 x 1.57 x 1.18 inches weight about 200-214 g. Aluminum Alloy Material Kodrily bike crank arm is made of high-quality sturdy aluminum alloy, which is light in weight, high in hardness, not easy to deform, and can be used for a long time. The surface is finely polished and painted, which is fade-resistant and stylish. Easy to Install Bike crank adopts standard cutting holes, which is easy to install, without complicated professional installation steps, and does not require too many other auxiliary tools to complete the installation, easy to use. Wide Application Kodrily crank arm is suitable for bicycles, mountain bikes, folding bikes, exercise bikes, fixed gears, etc.. Warm Reminder Bike crank arm replacement is only suitable for left crank arms, because the threads are different, if you need the right side, you need to buy the right crank arm.

Double-Layer Chain Guard Protects the chain, prevents displacement caused by sprockets, and is not easy to fall off. Prevents the chain from dirtying the trouser legs.. Sturdy and Durable The bicycle chainring is made of steel, the Crank arm is made of aluminum alloy, and the plastic double-layer chain guard makes it more durable.. Universal Crank Arm The crank arm length is 170 mm, made of aluminum alloy, light weight, high strength, and will not rust, compatible with 916 inch pedals.. Suitable for This Crankset fit for single-speed bicycles, electric bicycles, city bicycle, fat tire bike and folding ebike, 1678 speed bicycles and ebike.. Packaging The full set includes left crank arm, right crank arm, sprocket and crank removal tool..

Wide Compatibility Designed for effortless crank arm removal and installation, this bike repair tool is compatible with square taper, Shimano Octalink, ISIS, PowerSpline, and most other splined crank arms. High-Precision Crank Puller Feature a 3.1 extended threaded shaft and precisely machined puller plug threads for safe bearing installation. Prevent misalignment, wear, creaking, and potential frame or crank damageensuring smooth, reliable performance. Heavy-Duty Carbon Steel Expertly crafted from high-strength carbon steel, this puller tool delivers exceptional hardness and durability. Its 3-layer electroplated, sandblasted surface resists wear and corrosion, maintaining precision through repeated use. Versatile 6.3 Wrench Made from sturdy carbon steel with a non-slip handle for comfortable grip, this wrench perfectly fits the crank puller for smooth removal. Its hexagonal hole also loosens crank arm boltsno extra socket required. Compact Portable This bike repair kit is perfect for daily maintenance or on-the-go repairs. Suitable for most bikesmountain, road, commuter, folding, e-bikes, and more. A must-have for home bike mechanics, weekend riders, and cycling enthusiasts.

MaterialThe Bicycle crank arms are made of Forged Alloy 6061, this crank arm is sturdy and durable,High strength, high hardness, not easy to deform.. SizeThis Crank Arm Length is available in 5 sizes152MM160MM165MM170MM175MM, Crank arm fits 916 inch pedal,Before purchasing this product, please make sure that the size of this product is consistent with the size you need.. Spindle Interface TypeDiamond Hole. Please check if the orientation of your crank is Diamond Hole. Keep both left and right things having the same hole.Diamond Hole Diameter is 12cm.. Installation TipsThis crank arm is divided into left side, please pay attention to the left and right side when installing, L is installed on the left side.If you install it wrong, it will not work.Left crank arm can be used on MTB,ROAD BIKE,FOLIDING BIKE,Cargo,City Bike,Ebike.. Package List1xLeft Crank Arm,Crank Bolts.Crank arm for City Bike,Folding Bike,MTB,Ebike,Belt Bicycle,Road Bike,Junior Bike,Exercise Bike..

Premium QualityThis bike crank arm is made of premium quality aluminium alloy material, which is sturdy and durable in use. It is not easily damaged and deformed, has reliable quality and ensures high strength for long lasting usage.. FeatureCrank Colorblack,Crank Arm Length140MM152MM160MM165MM170MM175MM,BCD130MM,fit for pedal diameter 916.. Spindle Interface TypeSquare hole. Please check if the orientation of your crank is Square. Keep both left and right things having the same hole.. Easy to installThe crank arm is lightweight, easy to install and use.. Package List2xCrank Arms,Crank screws..

Premium QualityThis bike crank arms is made of premium quality Forged Alloy 6061 T6 material, which is sturdy and durable in use. It is not easily damaged and deformed, has reliable quality and ensures high strength for long lasting usage.. FeatureCrank arm length is 170mm,BCD is 130mm.. Spindle Interface TypeSquare taper. Please check if the orientation of your right crank is Square. Keep both left and right things having the same hole.. Easy to installThe crank arm is lightweight, easy to install and use.. Package List2xCrank Arms,Crank screws..

Ultra-light MaterialMade of high strength Aluminum Alloy, Non-slip Durable,Weight is approx 675g1.48Ib.. Professional DesignErgonomic structure,Super lightweight and incredibly strong.Best choice for riders who want more control on their bicycles.. SizeBCD 104mm4.09in. Crank Arm length 170mm6.69in, Crank related holes distance 74mm2.91in.Bottom Bracket Width 68-73mm2.67-2.87in.. Easy Installation and compatibility. Compatible with most mountain bikes and dirt bicycles.Including not confined to Shimano, FSA, Gaint ATX770 ATX770-D XTC 750.. Package Include One Fordged Crank Set, Bottom Bracket, 4 pcs Single Chainring Bolts, Crank screw, Crankset bolt Allen Wrench..

MaterialThe Bicycle crank arms are made of Forged Alloy 6061, this crank arm is sturdy and durable,High strength, high hardness, not easy to deform.. SizeThis Crank Arm Length is available in 10 sizes89MM102MM114MM127MM140MM152MM160MM165MM170MM175MMShorter cranks for extreme sports enthusiasts,Before purchasing this product, please make sure that the size of this product is consistent with the size you need.. Spindle Interface TypeDiamond Hole. Please check if the orientation of your crank is Diamond Hole. Keep both left and right things having the same hole.Diamond Hole Diameter is 12cm.. Installation TipsThis crank arm is divided into left and right side, please pay attention to the left and right side when installing, the crank arm is written L and R, L is installed on the left side, R is installed on the right side. L is installed on the left side, R is installed on the right side. If you install it wrong, it will not work.Special attentionone pair Crank Arm can only be used on electric bicycles,1pc crank arm can be used on MTB,ROAD BIKE,FOLIDING BIKE,Cargo,City Bike,Ebike.. Package List2xCrank Armsleft crank arm right crank arm,Crank Bolts,Crank arm only for Ebike,Mid Mounted Motor,Torque..

Model Gear combination is 24-34-42T, crank arm length is 170mm.Bike crankset is compatible with a 3x9, 3x8 and 3x7 speed drivetrains, offering robust versatility. Material Construction Constructed from lightweight aluminum alloy, this mountain bike crankset increases overall rigidity and ensures a more even biting force between the crank and the bottom bracket for improved durability. Features This bike crankset offers light and reliable shifting with wide compatibility across 3x7, 3x8, and 3x9 speed drivetrains, ensuring quick and precise assembly. Design Assembly The EB01-2031P crankset features a robust design for quick and precise assembly, offering wide compatibility with multiple components to suit your riding needs. Note This bike crankset comes with no bolts, the bolts normally come from bike BBbottom bracket part.

48T Chainring Steel material, high strength and durable. Plastic Double Wall Chain Cover Light weight, prevent the chain from slipping, protect the chain, and make it more aesthetically pleasing. Aluminiun Alloy Arms 170MM length, aluminium alloy material, lightweight strong strength, and will not rust.. Suits for E bike City bike and folding bicycle, compatibale with Single speed bicycle and electric bike, 678 gear bicycles and electric bike. Total Weight 0.85KG 1.87LB.

Model crank arm length is 170mm, gear combination is 42-34-24T, suitable for 3x876-speed.. Features Light and reliable shifting Precision indexed shifting performance Wide compatibility with multiple components Quick and precise assembly.. Material The crank is made of aluminum alloy, which increases the rigidity of the crank and reduces the weight, so the biting force between the crank and the bottom bracket is more even.. Application Compatible with a 3x8, 3x7, and 3x6 speed drivetrains. Note This crankset comes with 2 dust caps, no bolts, the bolts normally come from bike BBbottom bracket part..

MaterialThe Bicycle crank arms are made of Forged Alloy 6061, this crank arm is sturdy and durable,High strength, high hardness, not easy to deform.. SizeThis Crank Arm Length is available in 10 sizes89MM102MM114MM127MM140MM152MM160MM165MM170MM175MMShorter cranks for extreme sports enthusiasts,Before purchasing this product, please make sure that the size of this product is consistent with the size you need.. Spindle Interface TypeSquare Hole. Please check if the orientation of your crank is Square Hole. Keep both left and right things having the same hole.Square Hole Diameter is 12cm.. Installation TipsThis crank arm is divided into left and right side, please pay attention to the left and right side when installing, the crank arm is written L and R, L is installed on the left side, R is installed on the right side. L is installed on the left side, R is installed on the right side. If you install it wrong, it will not work.Special attentionone pair Crank Arm can only be used on electric bicycles.. Package List2xCrank Armsleft crank arm right crank arm,Crank Bolts,Crank arm only for Ebike,Mid Mounted Motor,Torque..

8mm Hex Head Crank Fixing Bolt and Cap Pair. Hex-type steel crank fixing bolt set with integrated plastic dust cap. Crank bolts. They fit square tapered bottom brackets as well as standard bb's. Please make sure to use metric 8mm allen head for installation.. Bolt size 8x1.0mm hex cap. Packing Includes 2 Pieces 8mm Hex Head Crank Arm Bolts..

Premium QualityThis bike crank arms is made of premium quality Forged Alloy 6061 T6 material, which is sturdy and durable in use. Crank Finish is SAND BLACK,It is not easily damaged and deformed, has reliable quality and ensures high strength for long lasting usage.. FeatureCrank arm length is 170MM175MM,BCD is 104mm.B.B.TAPER SQUARE is 156.5MM,B.B.STANDARD is 100MM,Q-FACTOR is 219.5MM,I-FACTOR is 189.5MM.. Spindle Interface TypeSquare Hole. Please check if the orientation of your right crank is Square. Keep both left and right things having the same hole.. Easy to installThe crank arm is lightweight, easy to install and use.. Package List2xCrank Arms,4pc chainring screws,2xcrank arm bolts..

Fits all cranks using 22mm x 1 threads and square, tapered bottom bracket spindles. Also fits Power Spline cranks from SRAM using the 8mm thread bolt. Strong rotating tip system ensures smooth operation and long life. NOTE For cranks using the ISIS Drive or Octalink system, use the CCP-44 or the CWP-7.

Wide Compatibility Designed for effortless crank arm removal and installation, this bike repair tool is compatible with square taper, Shimano Octalink, ISIS, PowerSpline, and most other splined crank arms. High-Precision Crank Puller Feature an 80 mm extended threaded shaft and precisely machined puller plug threads for safe bearing installation. Prevent misalignment, wear, creaking, and potential frame or crank damageensuring smooth, reliable performance. Heavy-Duty High-Carbon Steel Expertly crafted from high-carbon steel, this puller tool delivers exceptional hardness and durability. Its 3-layer electroplated, sandblasted surface resists wear and corrosion, maintaining precision through repeated use. Versatile 170 mm Wrench Made from 4 mm high-carbon steel with a thickened rubber handle for a secure, non-slip grip, this wrench perfectly fits the crank puller for smooth removal. Its hexagonal hole also loosens crank arm boltsno extra socket required. Compact Portable This bike repair kit is perfect for daily maintenance or on-the-go repairs. Suitable for most bikesmountain, road, commuter, folding, e-bikes, and more. A must-have for home bike mechanics, weekend riders, and cycling enthusiasts.

MaterialThe bicycle crank arms are made of high quality Forged Alloy 6061, this crank arm is sturdy and durable,High strength, high hardness, not easy to deform.. SizeThis bike crank arm Length is available 170MM, Before purchasing this product, please make sure that the size of this product is consistent with the size you need,This Crank Arm can only be used on electric bicycles.. Spindle Interface TypeSquare taper. Please check if the orientation of your crank is Square. Keep both left and right things having the same hole.. Installation TipsThis 170mm crank arm is divided into left and right side, please pay attention to the left and right side when installing, the crank arm is written L and R, L is installed on the left side, R is installed on the right side. L is installed on the left side, R is installed on the right side. If you install it wrong, it will not work.. Bike Crank Arm NoteIf you have replaced the crank once, then you need to replace the bottom bracket when you update the crank again, because the life of the general bottom bracket is only 2 times. If you encounter any problems in the process of use, please let us know, we will help you solve the problem, give you a satisfactory solution.

Diamond-shaped Hole CompatibilityDesigned to fit diamond-shaped crank holes, this crank arm is compatible with a wide range of bike models, including mountain bikes and various other bicycle types. KIND REMINDER Please check the shape of the interface of your original crank arm and don't buy it wrong This one is only on the left side. Quality Steel Plastic MaterialMade of solid steel, it is wrapped in a layer of plastic outside, which is more sturdy, fully solid construction, high strength, more robust and durable, not easy to warp, long service life.. Easy InstallationWith its user-friendly design, this crank arm can be easily installed on your bike, allowing for hassle-free setup and adjustment.. Wide ApplicationThe crank arm can be used for ordinary bikes, mountain bikes, road bikes, folding bikes, fixed-gear bikes, cross-country bikes, etc.. Strong and durableThe Bike crankset is made of high carbon steel, which is of high strength and easy to install. The fine workmanship is ready to provide you a good usage experience..

Model48 Teeth bicycle crankset Compatible with a 3x8, 3x7, and 3x6 speed drivetrains Crank Arm length 170mm Compatible with 916 pedals. Material This square crankset arm is made of forged aluminum alloy 6061-T6, the weight is 1.50lb0.68kg. High strength and durable. Features Light and accurate shifting Widely compatible with multiple components precision index shifting dual sis fine workmanship. Universal Suitable for 678 speed road bike, mountain bike, and city folding bike, etc.. Wide compatibility with multiple components. Package The crankset includes 2 arms,1 chain link crank and 2 dust caps. Please measure the modle to confirm it fits your bike before the order.

1. Wide Compatibility for Multiple Bike Types This replacement left crank arm is engineered for versatile use. It is compatible with many mountain bike, road bike, folding bike, and fixed-gear models that utilize a standard square taper JIS bottom bracket, making it a universal bike part for various repairs and upgrades.. 2. Durable Reliable Premium Steel Construction Crafted from strong, premium steel, this bike crank arm is built to last. It withstands the rigors of daily riding and demanding trails, providing a dependable and durable solution within your bike components parts collection for long-term performance.. 3. Easy 170mm Square Taper Installation Featuring a common 170mm arm length and a standard square hole square taper design, this crank arm ensures straightforward installation and replacement. It simplifies the repair process, allowing for a quick upgrade or fix with basic bicycle tools.. 4. Performance-Enhancing Quality Assurance Manufactured to meet strict quality control standards, this crank arm replacement ensures reliable power transfer and smooth operation. It is a trusted bike component designed to restore or improve your bike's drivetrain performance and riding efficiency.. 5. Essential for Repairs Bike Maintenance Toolkit An ideal, versatile spare bike part for addressing a damaged or worn left crank. Its broad application across bike types makes it a practical and essential addition to any cyclist's or home mechanic's maintenance toolkit for keeping bikes in optimal condition..

Model42-34-24 Teeth bicycle crankset Compatible with a 3x8, 3x7, and 3x6 speed drivetrains Crank Arm length 170mm Compatible with 916 pedals. Material This square crankset is made of forged aluminum alloy 6061-T6, the weight is 1.50lb0.68kg. High strength and durable. Features Light and accurate shifting Widely compatible with multiple components precision index shifting dual sis fine workmanship. Application Suitable for 678 speed Road bike, mountain bike, and city folding bike, etc.. Wide compatibility with multiple components. Package The crankset includes 2 arms,1 chain link crank and 2 dust caps. Please measure the modle to confirm it fits your bike before the order.

Aluminium MaterialThe bicycle crank is made of fine aluminium material, with high strength and high hardness, not easy to deform.. UseFor bicycle mid-drive motor mounting. Size about 21 3.8cm 8.3 1.5inch. Please check your original crank arm to make sure the appearance and size of the product is consistent with our product.. Fine CraftsmanshipBike crank arm has a finely crafted look with standard cutting of hole, which ensures a perfect fit with the bike.. Easy To InstallThe pedal crank arm is light in weight, small in size, easy to operate, easy to install and carry and use.. Wide ApplicationIt is suitable for e-bike, folding bike, hybrid, mountain bike, road bike, making your ride more comfortable All our products have passed the inspection before shipment, so please feel free to purchase. If you find any defective products due to manufacturing reasons, please contact us. We will do our best to solve your problem..

High Quality MaterialsBucklos bike crank arm set is forged from premium aluminum alloy, which is more sturdy and reliable, extending the service life of the product. SizeInterface TypeThis crank has two interface types, square hole and diamond hole, each with two sizes of 152MM170MM to choose from. You can choose a single left or a pair of crank arms according to your needs. Easy To InstallThe bicycle crank arm features standard precision hole cutting to ensure a perfect fit for your bike. Easy to install, no need for too many installation tools. Wide ApplicationBucklos bicycle crankarm is a nice replacement for bike repair suitable for the ebike,mountain bike,folding bike,fixed gear bike,exercise bike,etc. NotesBefore purchasing, please confirm whether the style of the crank arm interface is square or diamond hole, as well as the size of the crank. A pair of crank arms can only be used for electric bicycles.

HIGH QUALITY This crank arm is made of premium aluminum alloy material, which is lightweight and deformation resistant. It is not easily damaged and aged has reliable quality and ensures high strength for long lasting usage. ONLY Left Diamonde Hole Crank. EASY TO INSTALL The bike left crank arm with standard precision cutting of hole, which is easy to install and ensures perfect fit to your bike, lightweight and small size easy to use, quick to install, without too many other tools.. PRACTICAL TOOL Fine polish and great paint colorfast and stylish. Standard precision cutting of hole, which ensures perfect fit to bike,170mm crank arm length without any overlap of crank arm and chain ring bolt.. FINE WORKMANSHIP The crank arms adopt sample design fine workmanship used for bike mid drive motor installation.. WIDE APPLICATIONA nice replacement for bike repair Suitable for the road bike, mountain bike, folding bike, exercise bike fixed gear bicycle, etc Note that it is suitable for the left crank arm, because of the different threads if you need the right side you need to buy the right crank arm. Package List 2pcs Bike Crank Arm 170mm Bicycle Crank Only, Other accessories are not included.

BCD 104mm4.09in, Crank Arm length 170mm6.69in, Crank related holes distance 74mm2.91in, Bottom Bracket Width 68-73mm2.67-2.87in, Crank Screw Aliber 15mm5.9in.. Made of aluminum alloy, light weight, stylish, flashy styling, high axial strength and compatibility.. Supporting IXF dental plate compatibility better, smoother, easy Installation.. Compatible With Shimano, FSA, Gaint ATX770 ATX770-D XTC 750.. Package Include One fordged crank set, bottom bracket, 4 pcs single chainring bolts, crank screw, crankset bolt allen wrench, 1 x 104BCD narrow wide chainring..

Protective rubber boots. For carbon crank arms. Durable Race Face proprietary plastic blend.

Model MG-BCK MEGHNA Bike Crankset 42 Teeth 165mm Crank Arm with Bolts for Mountain Bike Folding Bike E-Bike etc.. Durable Material Made of high-strength aluminum alloy material, lightweight, tough and durable, with strong impact resistance, not easy to deform after long-term use, providing stable protection for chains and gears.. Double Chain Cover Guard The double-sided shield fully wraps around the chain, effectively preventing trouser or skirt hems or other debris from getting caught in the chain, avoiding oil stains from staining clothes, and making riding more relaxed.. Efficient High-efficiency Transmission The tightly meshing teeth plates fit perfectly with the chain, reducing idling loss, making power transmission more efficient and riding more effortless. The arc entry Angle design optimizes the gear shape, reduces chain wear, extends service life, and the strong biting force significantly reduces the risk of chain drop.. Universal Fit Compatible with 6-10 speed various types of bikes such as mountain bike, commuter bike, beach cruiser bike, and folding bikes etc, meeting diverse riding needs. Standard pedal size Supports 916-inch thread, please make sure you choose correct specification before you purchase..

VERSATILE COMPATIBILITY The crank fixing bolts are designed to fit both square tapered bottom brackets and standard BB's, making them versatile and suitable for a range of bicycles.. PRECISE SPECIFICATIONS With an M8 8mm thread that is 18mm long and a 20mm diameter end cap, these bolts are manufactured to the highest standards.. DUST CAP The crank fixing bolts come with an integrated plastic dust cap that seals the bolt, eliminating the need for a separate crank cap. The seal effectively protects the bolt from water, sand, and soil damage, ensuring long-lasting use.. EASY INSTALLATION To ensure proper installation, use a metric 8mm allen head.. DURABLE AND LONG-LASTING The crank fixing bolts are made of high-strength steel, making them durable and long-lasting. The bolts are coated with blue anti-skid adhesive to prevent loosening during use..

Crank 104 BCD mountain bike crankset. length of crank arm is170mm, crank related holes distance is 74mm, crank weight 550g, fit 7-12S chains and singledoubletriple speed chainring. Chainring snail single speed narrow wide teeth chainring, 30T32T343638T4042T, roundoval chainring,thickness is 4mm 1.9mm narrow, 3.7mm wide. Bottom Bracket Size is 412424 mm can fit bike bottom 68-73mm,ideal for Shimano, FSA compatible. Giant ATX770 ATX770-D XTC750 and so on. Material Crank and chainring made of aluminum alloy, light weight, high axial strength and compatibility. NoteThese crank and chainring are only suitable for single speed.Suitable for most mountain bikes ,Compatible With Shimano Sram FSA.

MULTIPURPOSE TOOL This crank puller set is designed for easy removal of bicycle cranksets, crank arms and pulleys during bike repair and maintenance. COMPATIBILITY This crank puller set is suitable to fit standard square taper cranks and splined cranks, ISIS Drive, Octalink, etc. PACKAGE CONTENT 1 x Crank puller, 1 x 8mm Allen wrench, 16mm Crank removal wrench. Note There are two purchase options, please choose to purchase One Crank Puller or Crank Puller Set according to the needs. MATERIAL This newly upgraded crank puller is made of high quality high carbon steel material, heat-treated for long-lasting durability and reliable performance. EFFICIENT DESIGN The ergonomic handle provides a firm grip, allowing you to comfortably apply the necessary force during disassembly, and the kit is complete for your convenience.

Aluminium Alloy This crank arms for bike is made of aluminum alloy material, the bike crank arm's weighing only 7.1 ounces. The bike crank arm is light and finely polished, high strength but not easy to deform or damage. Meticulous Cutting Crank set mountain bike is standard hole cutting, 170mm standard crank length. This is a standard bike crank arm replacement repair part, bike left crank accessory is compatible with many bikes and mountain bikes, road bikes. Square Inner Shape The inner shape hole of the crank arm is different. The hole in the middle of some crank arms is lozenge shaped, while our company's bike cranks is square. Please confirm the inner shape of the original left crank arm is square hole before purchasing. Easy to Install 170mm Crank arm is easy to install. The bike crank is a horizontal taper, and the crank arm have no overlap. Just remove the original deform or damage bike pedal arm and install this bike crank. Note Note the shape of the inside hole of the Bicycle crank arm. Some 170mm aluminium alloy crank arms have a diamond-shaped hole in the middle and some bike crank arm replacements have a square hole in the middle. Before buying, you need to confirm the internal shape of the original bike crank arm.

32T Chainring Steel material, high strength and durable.. Suits for Single speed bicycle and 67891011 Speeds Bike. Drop Stop DesignNarrow wide chainning could prevents chain drop from the chainring, it is the most advanced tooth profile on the Market, making your cycling safer. Aluminium Alloy Arm Aluminium alloy arm, the length is 170mm. Lightweight and rust resistant. Weight the net weight of the cranlset and arm is 0.7KG 1.54LB.

Fit for any brand type bottom bracket.. Bike crank extractorpuller 20 teeth fit, made of High strength steel, Great quality ensures that it will not damage the BB teeth. Suitable for any 20 teeth splined type bottom bracket and Standard Square Tapered crank sets. Bike Bottom Bracket Remover can be used with either a 24mm socket, wrench or an adjustable spanner.. A necessary crankset removal tool for outdoor biking, also It is ideal for any home bike mechanic.. This bicycle crank removal tool set is durable and long lasting.

High Quality Aluminum Alloy 6061. Black Durable painting. Horizontal Square hole. Including screw nut and plastic shaft cover. Left Crank pedal only,long using life,universal fit for MTB,Citybike,BMX or folding bike. DO NOT fit Fatbike.

Size 170mm, Color Black, Interface Shape Rhombus. Material Aluminum alloy to increase the rigidity of the crank arm as well as reduce weight.. Universal size, adaptable, ideal replacement part for repairing bicycles.. Easy installation with standard crank mounting holes. Applicable models city folding bikes, fixed gear bikes, e-bikes, road bikes, mountain bikes, BMX.

Model Hole spacing length 152mm total length 185mm. Crank arm fits 916 inch pedal.. High Quality The bicycle crank arm is made of aluminum alloy, durable, high strength, high hardness, not easy to deformation.. Spindle Interface Type Diamond Hole. Please check if the orientation of your crank is Diamond Hole .Keep the left things having the same hole.. Easy To Install The bicycle crank arm features standard precision hole cutting to ensure a perfect fit for your bike. Easy to install, no need for too many installation tools.. Wide Application ZUKKA bicycle crank arm is a nice replacement for bike repair suitable for the mountain bike,folding bike,fixed gear bike,exercise bike,etc.

Quantity SizePackage includes 2 pcs left cranks, 170mm center to center, 2cm front round hole, 1.6cm rear diamond hole.. Suitable DescriptionThe product is the left crank. It is suitable for the center shaft with diamond hole. Pay attention to whether the original crank is a square hole or a diamond hole when buying.. Quality MaterialMade of solid steel, fully solid construction, high strength, more robust and durable, not easy to warp, long service life. Easy to UseThe crank arm is light and small, with precision holes to match the bicycle, easy to install and use.. Wide ApplicationThe crank arm can be used for ordinary bikes, mountain bikes, road bikes, folding bikes, fixed-gear bikes, cross-country bikes, etc..

MaterialForged Alloy 6061 T6 crank, Chainring material is Alloy or Steel,Crank FinishSAND BLACK.CCHAINRING FINISH BLACK SAND ANO. or BLACK,high-strength steel chainring, detachable sprocket, easy to modify single-speed chainring.. FeatureCrank Length 165MM 170MM 172.5MM 175MM,BCD130mm,Chainring52T,CHAINLINE 44MM.. Chainring GuardThe guard chainring can protect the chainring well and prevent the teeth of the chainring from being damaged.. RemovableEach chainring can be disassembled, which is convenient for replacement and reduces maintenance costs.. Packing list1 x Crank Set,Crank Bolts..

MaterialThe Bicycle crank arms are made of Forged Alloy 6061, this crank arm is sturdy and durable,High strength, high hardness, not easy to deform.. SizeThis Crank Arm Length is available in 5 sizes152MM160MM165MM170MM175MM, Crank arm fits 916 inch pedal,Before purchasing this product, please make sure that the size of this product is consistent with the size you need.. Spindle Interface TypeSquare Hole. Please check if the orientation of your crank is Square Hole. Keep both left things having the same hole.. Installation TipsThis crank arm is divided into left side, please pay attention to the left and right side when installing, L is installed on the left side.If you install it wrong, it will not work.Left crank arm can be used on MTB,ROAD BIKE,FOLIDING BIKE,Cargo,City Bike,Ebike.. Package List1xLeft Crank Arm,Crank Bolts.Crank arm for City Bike,Folding Bike,MTB,Ebike,Belt Bicycle,Road Bike,Junior Bike,Exercise Bike..

High Quality High-strength aluminum alloy material, high strength, fine workmanship, improve strength and rigidity the surface of the 32T square taper crankset is frosted and anodized, which effectively protects the aluminum alloy body and does not fade after long-term use. Upgrade DesignNarrow wide teeth for better chain retention. Removable chainring ,3 pieces chainrings crankset design, easy to modify single speed crankset, dual crankset, triple crank set. Light weight design, adding no heaviness to you bike, make riding more comfortable and relaxing. Crankset Size104BCD Mountain bike crankset, crank arm length 170mm, chainring332 38Tcompatible with 916 pedals chain size 1218 chain line 45mm B.B.Axle recommended 117.5mm. Total diameter of chainring is 158mm 6.2in.. PackageComplete set including left crankset, right crankset and chainring The crank and chainring are only fit single speed, cannot be used with other speed.. CompatibleSuitable for most of 891011 single speed MTB mountain bike, road bicycle, not for multi-speed bikes..

Material Bike crank arm is made of Premium aluminum alloy construction for lightweight strength,High strength and long-lasting durability.. Size The center distance between the two holes is 170mm6.69in, Total LengthApprox. 20.5cm 8.07in avoid chain ring bolt interference for smooth performance.. Compatibility left hand crank arm fit for most mountain and road bikes, folding bike, fixed gear etc.. Easy to Install Standard precision-cutter hole design ensures accurate fit and easy installation,It can be completed without complicated steps.. Package ListingPackage Included 1pc crank armsquare hole style, easy to install and use..

CDHPOWER One Piece Chrome Crankarm Set,Wide One Piece Bike Crank to Crank Assembly Kit 1pc. 12 pedals required 24 tpi. The length between crankarms is about 150mm5.905. Length of Arm165mm6.496.

MATERIAL QUALITYMade of premium aluminium alloy, lightweight, high strength and deformation resistance, durable for long time use.Fine polish and great paint, colorfast and stylish.. PERFECT CUTTING Standard quality cutting of hole, which ensures perfect fit to bike, easy to install.. CRANK ARE LENGTH 170mm crank arm length without any overlap of crank arm and chain ring bolt.. APPLICATIONA nice replacement for bike repair, compatible with many bike models.. QUALITY ASSURANCE Our products have certain quality assurance. If you have any questions, please feel free to contact us, we will provide you with the perfect solution in the first time..

High Quality High-strength aluminum alloy material, high strength, fine workmanship, improve strength and rigidity the surface of the 38T square taper crankset is frosted and anodized, which effectively protects the aluminum alloy body and does not fade after long-term use. Upgrade DesignNarrow wide teeth for better chain retention. Removable chainring, 3 pieces chainrings crankset design, easy to modify single speed crankset, dual crankset, triple crank set. Light weight design, adding no heaviness to you bike, make riding more comfortable and relaxing. Crankset Size104BCD mountain bike crankset, crank arm length is 170mm, compatible with 104BCD round chainring and 916 pedals. We have 32T34T36T38T40T42T round red chainring to meet your various needs.. Package ListComplete set includes left crankset, right crankset and chainring The crank and chainring are only fit single speed, cannot be used with other speed.. CompatibleSuitable for most of 891011 single speed MTB mountain bike, road bicycle, not for multi-speed bikes..

HIGH PERFORMANCE------ Teeth 52T. The crank arm length is 170mm, fit for single speeds mountain bike. It is a great bike replacement for your old or worn part. ------ Size 30. 00X22. 50X2. 00 cm 11. 79X8. 84X0. 79 inch. Make of iron material, high strength and durability. ------ Chain Size Standard 1 2 X 3 32. HIGH CARBON STEEL------ High carbon steel crank and high carbon steel crankset, high strength, not easy to deform, durable. EASY TO INSTALL------ Bicycle high- carbon steel crankset, easy to install and simple to operate.

Versatile Compatibility Suitable for road bikes, mountain bikes, folding bikes, and fixed gear bikes, this left crank arm ensures a perfect fit for various bike models. Durable Material Constructed with premium aluminum alloy, this bike crank arm is strong and durable, providing performance for your cycling needs. Easy Installation The 170mm crank arm length and horizontal square hole design make it easy to install and replace, ensuring a bike repair experience. Enhanced Performance This crank arm replacement conforms to strict quality control standards, ensuring dependable use and improved bike performance. Bike crankset Wide Application Ideal for bike repairs, this left crank arm is compatible with many bike models, making it a versatile addition to your bike maintenance toolkit.

Core Functionality This Bicycle Crank Replacement is crafted to serve as a reliable bike crank arm replacement, designed for precise fit with multiple bike models, making it an essential bicycle repair tool for maintaining smooth drivetrain performance. Material Strength Constructed from durable materials, this sturdy chainring crank arm withstands regular cycling stresses, providing consistent support for mountain bike crank systems and other bike parts under diverse riding conditions. Compatibility and Versatility Compatible with a wide range of bike models, this bicycle crank replacement facilitates easy upgrades and repairs of bike crank parts and drivetrain components, functioning effectively as versatile bike equipment. Installation Ease Designed with precision-cut holes, this crank arm replacement offers simple installation and removal, enabling riders to quickly maintain or upgrade their bikes without tools, enhancing convenience during bicycle repair. Optimized Dimensions and Weight Measuring approximately 8.07 by 1.57 by 1.02 inches and weighing 10.69 ounces, this bicycle crank replacement balances lightweight design with sturdy construction for enhanced cycling experience and reliable performance.

Package Include You will received 1 pcs left cranks with diamond hole. This crank arm length is 165mm and diamond hole diameter is 13mm. Before purchasing this product, please make sure that whether the original crank is a square hole or a diamond hole when buying. Premium Materials The Bicycle crank arms are made of iron materials, this bike crank arm is sturdy and durable, high strength, high hardness, not easy to deform. Easy Installation The bicycle crank arm is lightweight and small, designed with a friendly square-hole connection and rounded-end ergonomics, easy to install and use. Versatile Applications The bike left crank arm is suitable for City Bike, Folding Bike, MTB, Belt Bicycle, Road Bike, Exercise Bike. Quality Service This crank arm is divided into left side, please pay attention to the left and right side when installing. If you install it wrong, it will not work. If you have any questions about bike crank arm, please feel free to contact us and we will try our best to help you.

Applicable This Crank arm can work with BAFANG mid drive motor BBS01, BBS02, BBSHD and M200 motor. Please check the interface of your original crank arm is diamond hole. Aluminum alloy construction durable and strong.Diamond Interface hole. Length170mm, spindle interface type,horizontal square taper. The Right is the drive side and the Left is the non-drive side. the left side pedal is reverse threaded so you tighten it backwards counterclockwise.Drive side is normal, clockwise to install it..

The right crank is BAFANG AC-08-2 style,it can fit with bafang BBS02BBBSHD mid drive motor kit. Aluminum alloy construction durable and strong.Diamond interface hole. LengthHole spacing length170mmPlease make sure it is the same as your original, total length210mm. The Right is the drive side and the Left is the non-drive side The left side pedal is reverse threaded so you tighten it backwards counterclockwise.Drive side is normal, clockwise to install it. Notice Please check the interface of your original crank arm is diamond hole,this is only right crank.

MATERIAL QUALITYMade of premium aluminium alloy, lightweight, high strength and deformation resistance, durable for long time use.. CRANK ARE LENGTH 170mm crank arm length without any overlap of crank arm and chain ring bolt.. SPECIFICATIONOptions Black-Square Hole Black-Rhombic Hole Silver-Square Hole Silver-Rhombic HoleSize Approx. 21 x 4 x 3cm 8.27 x 1.57 x 1.18inWeight Approx. 200-214g.. PERFECT CUTTING Standard quality cutting of hole, which ensures perfect fit to bike, easy to install.. GUARANTEE If you are not satisfied with our product you received, you can send emails to us at any time. We will reply you instantly and help you solve your problem..

Optimized for E-MTB performance, the Deore XT FC-M8150 crank arm set features durable Hollowtech II construction for maximum strength, rigidity, and lightweight efficiency, enhancing riding power and responsiveness.. Engineered explicitly for EP801, EP800, and EP600 mid-drive motors, ensuring perfect compatibility and seamless integration with your e-MTB setup for reliable performance on challenging terrains.. Designed with a 160mm crank arm length and a 177mm Q-factor, this crankset provides a balanced stance for agile handling and optimal pedaling efficiency during mountain biking or e-MTB adventures.. Constructed with high-grade materials that withstand rigorous off-road conditions, the FC-M8150 delivers enhanced durability and long-lasting performance, making it ideal for aggressive trail riding and e-MTB enthusiasts.. Featuring a sleek black finish and spacer-free design, this crank arm set combines style with functionality, simplifying installation while maintaining a clean and modern look for your e-MTB..

Triple chainring. Plastic chainguard. Bottom Bracket Interface Type Square Taper JIS. Precision indexed shifting.

Available in 2 Spindle Interface Mode Diamond Interface and Square Interface. Please make sure it matches your original crank port. The two ports have the same size, they just face differently. Hole spacing length170mm total length210mm. Crank arm fits 916 inch pedal. Material high quality Aluminum alloy. NOTE 1 Please check the interface of your original crank arm is square or diamondPlease refer to product pictures. Keep both left and right arms have the same holeSome GYM bikes may not be available, please confirm the length and connection port. NOTE 2 If you have replaced the crank once, then you need to replace the bottom bracket when you update the crank again, because the life of the general bottom bracket is only 2 times. If you encounter any problems in the process of use, please let us know, we will help you solve the problem.

Available in 2 Spindle Interface ModeDiamond Interface and Square Interface.. Hole spacing length170mmPlease make sure it is the same as your original total length210mm. Material high quality Aluminum alloy.. Note 1 Please check the interface of your right crank arm is square or diamond. Keep both left and right arms have the same holeSome GYM bikes may not be available, please confirm the length and connection port. Note 2 If you have replaced the crank once, then you need to replace the bottom bracket when you update the crank again, because the life of the general bottom bracket is only 2 times..

Crank Arm length170mm Compatible with 916 pedals Chain size 1218 Have 2 water proof bolts as gift. Material Crank armaluminium alloy Chainring guardplastic Sprocket steel. Gear combination is 24-34-42T, crank arm length is 170mm. Bike crankset is compatible with a 3x8, 3x7 and 3x6 speed drivetrains and 916 pedals.. Easy Installation.Compatible with city bike,folding bike,road bikes,MTB,Electric Bicycle.. Please measure the size to confirm it fit your bike before you place an order..

MATERIAL The crank arms are made of materials, this product is sturdy and durable.High strength, high hardness, not easy to deform.. DESIGNThe crank arms adopt sample design, fine workmanship, used for bike mid drive motor installation.Total length and width is approximately 21 3.8cm 6.3 5.9inch.Weight is approximately 450g.. NoteThe product is a special crank for Tongsheng mid-mounted motor.. EASY TO INSTALLThe crank arm is lightweight and small size, easy to install and use.. FINE WORKMANSHIPSample design, fine workmanship, used for bike mid drive motor installation..

HIGH QUALITY MATERIALCrank Puller is expertly crafted from premium carbon steel, employing a quenching process that enhances its hardness and durability. This bicycle crank removal tool ensures no damage to the threads of cranks, lasting for a long time use. STANDARD SIZEMeasuring approximately 3.15 x 0.94 x 0.79 inches 8 x 2.4 x 2 cm, this compact crank puller bike tool is lightweight and easy to store or carry. CONVENIENT USAGEDesigned for ease of use, the bike crank puller remover features a dual function removable cap, making it compatible with oversized spindles. The longer jacking rod enhances usability, making your bicycle maintenance tasks quicker and more convenient. WIDELY APPLICABLEThis bicycle crank is compatible with square taper and splined crank arms. Suitable for mountain bikes, road bikes, exercise bikes, and various other bicycle types. The 0.87 x 0.04 inch thread specification and 0.450.64 inch size design ensure a secure fit. IMPORTANT NOTEPlease note that due to product quality inspection and transportation reasons, the product may have slight scratches this is a normal occurrence and does not affect the functionality of the crank puller bike tool. Ensure you check the product dimensions before ordering to confirm compatibility with your bike.

Durable Reliable BuildCrank puller crafted from premium carbon steel with a quenching process, this crank puller boasts enhanced hardness. It ensures zero damage to crank threads, promising long-lasting performance for countless maintenance tasks.. Compact Portable DesignMeasuring just 3.15 x 0.94 x 0.7 inches , this lightweight crank puller bike tool is easy to store in your toolkit or carry on the go. Its ultra-small footprint makes it perfect for both home repairs and on-the-road maintenance.. User-Friendly OperationFeaturing a dual-function removable cap, this crank arm removal tool accommodates oversized spindles with ease. The extended jacking rod offers better leverage, simplifying the crank arm removal process and saving you time and effort.. Universal CompatibilityDesigned to fit both square taper and splined crank arm puller, it's suitable for a wide range of bicycles, including mountain bikes, road bikes, and exercise bikes. The 0.87 x 0.04 inch threading and 0.450.64 inch sizing ensure a snug fit.. Important Pre-Purchase NoteMinor scratches may occur during transit due to quality checks, but rest assured, they won't impact functionality. Please verify the product dimensions against your bike's specifications before ordering to ensure a perfect match..

BUILT FOR THE TRAILS Lightweight yet tough, these Mongoose replacement pedals are made to take a beating and keep on rolling for everything from street cruising to rugged mountain rides.. RIDE READY, EVERY TIME Whether you're hitting jumps, jumping curbs or just cruising the neighborhood, these platform pedals are built for performance and durability no matter the ride.. NO-NONSENSE INSTALLATION A set of two pedals installs easily with basic tools so you can get back to doing what you love riding hard. Comes with both 12-inch and 916-inch spindles so you can swap onto almost any bike with ease.. STAY SEEN, STAY SAFE Features reflective strips on each side of these bike pedals for boosted visibility in low-light conditions, giving you extra peace of mind when riding at dawn, dusk or in traffic.. KNOW YOUR ROOTS As one of the OGs in BMX and action sports, Mongoose has helped bring this movement to the world. For over 50 years, we've been all about epic rides and pushing limits and we're just getting started..

MATERIALThis crank arm is made of forged aluminum alloy 6061-T6 and steel chainring, which is of high strength and durable.Crank finish is black painted,Chainring Finish is Black SAND ANO.Chainguard is double plastic black.. FeatureCrank Length 152MM160MM165MM170MM175MM,Chainring46T48T52T,CHAINLINE 44.5MM,CHAINRING THICKNESS332,CHAINGUARDDOUBLE PLASTIC BLACK,Q-FACTOR171MM,I-FACTOR142MM, B.B.TAPER SQUARE116MM.CranksetFixed One-Piece Bike Crankset.. Double Chainring GuardThe double guard chainring can effective protect the chainring well and prevent the teeth of the chainring from being damaged,Rugged and dustproof.. COMPATIBILITYEasy Installation,directly into the center column of the bike,A good replacement for bike repair,compatible with City Bike,Folding Bike,MTB,Electric Bicycle,Cargo,Folding Bicycle. Check Frame chain stay clearance before purchase.. PACKAGE INCLUDE1x Bike Crank Set,Bolts,Please measure the size to confirm it fit your bike before you order..

High qualityOne-piece die-casting, this bicycle crank arm is made of forged alloy 6061, strong and durable, high strength, hardness, not easy to deformation.. FeatureCrank Colorblack,Crank Arm Length152MM160MM170MM175MM,BCD 104MM,fit for pedal diameter 916.. Spindle Interface TypeSquare taper. Please check if the orientation of your right crank is Square. Keep both left and right things having the same hole.. Installation TipsThis crank arm is divided into left and right side, please pay attention to the left and right side when installing, the crank arm is written L and R, L is installed on the left side, R is installed on the right side. L is installed on the left side, R is installed on the right side. If you install it wrong, it will not work.. Package List2xCrank Arms,4pc chainring screws,2xcrank arm bolts..

Universal CompatibleMountain Bikes, Designed For Road Bikes, Folding Bikes And More. This Crank Puller Fits Most Crank Arms, Universal Compatibility With Many Bike Crank Pulls. Standard SizeEach Bike Crank Puller Measures Approximately 3.15 x 0.94 x 0.79 Inches, Compact Size And Light Weight, They Allow You To Store And Carry Them, Thus Providing More Convenience For Your Use. Premium Steel MaterialThis Crank Puller Is Made Of High Quality Carbon Steel Steel With a Corrosion-Resistant Black Coating On The Surface Of The Crank Puller, Which Ensures Long-Lasting Durability After Repeated Use In Harsh Bike Repairs. Ergonomic Design This Crank Puller Has a Non-Sliding Handle And Precisely Designed Threads. With This Crank Puller, You Can Quickly And Safely Remove The Crank Without Damaging Delicate Bike Parts. This Is a Good Assistant For Your Maintenance. Widely UsedRiding Bike Crank Vibrating Fluid Removes Removes The Crank Arm From The Bottom Bracket, And Its Removable Head Makes It Suitable For Tapered Types, Thus Ensuring a Wide Range Of Applications. Warm TipsThe Product May Have Scratches During Transportation, This Is a Normal Phenomenon, Does Not Affect The Use, Please Check The Product Size Before Ordering To See If It Fits Your Bike.

Metarial Crank remover tool are made of quality carbon steel material, adopting quenching process to make the remover stronger in hardness. Size The size of the crank arm removal tool is 3.15 x 0.95 x 0.8inch, which is lighter in weight and more convenient to carry. Feature This bike crank puller of the top rod is lengthened, and the square mouth and spline chainring and crank can be removed, which is practical and convenient. Function Crank puller remover crank puller remover serves to separate the crank from the bike's bottom bracket, you can conveniently repair the bike by yourself. Wide use Universal crank puller bike tool is suitable for any type and is easy to install and use, all you need is an adjustable wrench.

This rotating crank has a hole pitch of 1.02 inch and a total length of 8.03 inch.. Applicable to 36V48V BBS01BBS02BBS03 series Bafang high-speed brushless toothed central motor modified bicycle motor, supporting specific motor model is BBS01 36V 250W350W, 48V 350W, BBS02 36V 500W, 48V 500W750W, BBSHD 48V 750W1000W..

Material Aluminum alloy construction, durable and strong. Diamension please see it in detail in the pictures,spindle interface type,horizontal square taper. Applicablemid drive motor BBS01, BBS02, BBSHD. Attentionthe left side pedal is reverse threaded so you tighten it backwards counterclockwise.Drive side is normal, clockwise to install it.. Warranty high quality, 2 year warranty ,100 refund or replacement if there is any quality problem.

PLEASE NOTE Before purchasing this product, please make sure that the size of this product is consistent with the size you need. Product Size21 x 2 x 1cm8.3 x 0.8 x 0.4inchLxWxH.. Constructed with premium aluminum alloy, the crank is durable and strong.. The center distance between two holes is 170mm.. Spindle Interface Type Horizontal Square Taper. Please check if the orientation of your right crank is rhombic. Keep both left and right things having the same hole.. Suitable for road bike, mountain bike, folding bike, fixed gear bicycle, etc..

Left Crank Arm Replacement A great replacement of crank arm Suitable for the road bike, mountain bike, folding bike, exercise bike, fixed gear bicycle, etc Note that it is suitable for the left crank arm, because of the different threads, if you need the right side, you need to buy the right crank arm. 170mm, Diamond Hole The center distance between two holes is 170mm without any overlap of the crank arm and chainring bolt Spindle interface type, diamond hole type, please make sure it matches your original crank port. Durable Aluminum Alloy Made of high quality aluminum alloy, this bicycle crank is durable and strong for long time use, can withstand huge pedaling force and drive the movement of bicycle tires. Durable Aluminum Alloy Made of high quality aluminum alloy, this bicycle crank is durable and strong for long time use, can withstand huge pedaling force and drive the movement of bicycle tires. Easy to Install The left hand crank arm has standard cutting of hole, which ensures a perfect fit to bike, the total length of this crank arm is approx. 20.5cm 8.07in, easy to install and fit well.