ModelBike rear derailleur compatible with Shimanosram 10 speed mountain bikes.. NoteBicycle rear derailleur is direct mount,not hub bolt mount .Please check the mount type of the original part before ordering.. Excellent PerformanceAccurate gears provide light and stable shift performance,and making riding easy and comfortable.. MaterialRear derailleur is made of aluminum alloy with good qualitydurable and long service lifeEasy to install and disassemble.. ApplicationSuitable for MTB,mountain bikes,Bmxroad bikes, folding bicycles and so on..

ModelRD-TY200-SGS Bicycle 67 Speed Rear Derailleur for Most kinds of bikes like Mountain Bicycle,Hybrid Commuter Bikes, Kids Teen Bikes, cruiser Bicycle etc. FeaturesSmooth shifting, 67 speed derailleur is easy and fast to install. Bracket fit under wheel nut Long cage tourney derailleur, total capacity 43T, pulleyTeeth 1313T. Low sprocket Max. 34T Low sprocket Min. 28T Top sprocket Max. 14T Top sprocket Min. 11T. TypeRD-TY200-SGS 67 speed derailleur is compatible with 11T 14T high speed gearLong cage tourney derailleur. StabilityMade of high quality durable aluminum alloy material and come with excellent shifting performance ensure your safe and stable while riding. ApplicationRD-TY200-SGS is compatible with 6 and 7-speed SIS INDEX variable speed transmission systems. Suitable for MTB, Hybrid Commuter Bikes, Road Bikes, Kids Teen Bikes,folding bicycles, Tricycles, Eletric bikes etc.

MODEL RD-TZ31A Hanger Mount Rear Derailleur,Suitable for 67speed.. STABILITY Durable aluminum alloy material and excellent shifting performance ensure safe and stable ridin. PRECISE ADJUSTMENT High-hardness aluminum alloy body adjustment, adjustment is more precise. It can be adjusted slightly in multiple places to ensure accurate speed change performance.. MUE GUIDE WHEEL PA nylon wear-resistant aluminum alloy guide wheel, silent, smooth and no abrading for chain.. INSTALLATIONFast and convenient installation and easy maintenance.NoteThe bike rear derailleur is Hanger Mount,not Direct Mount.Please check the mount type of the original part before ordering.. SCOPE OF APPLICATIONSuitable for mountain bikes, station wagons, folding bikes, etc.If you have any questions,please feel free to contact us..

Model Experience seamless gear changes with this high-performance RD-M310 Altus rear derailleur. Featuring advanced RD-CT95 Altus technology, it delivers a smooth rideperfect for daily commutes and light mountain biking. Lightweight Responsive Crafted to reduce bike weight, this 78 Speed bike rear derailleur enhances speed and maneuverability. Ideal for urban riders and leisure cyclists who demand reliable, agile performance. Handles Any Terrain Supports up to 34T rear sprocket with a 43T total capacity. Whether climbing hills or cruising flats, 78 Speed derailleur adapts effortlessly to your ride. Fits Multiple Bike Types RD-M310 78 Speed derailleur is universally compatible with mountain, road, racing, city and folding bikes. Versatile performance for every cycling style. Easy Direct Mount Simple direct-mount installationno complex rack mounting needed. A hassle-free upgrade for your 78-speed drivetrain.

Universal 67-Speed CompatibilityDesigned as a direct replacement for most 6 and 7-speed drivetrain systems. It's the perfect upgrade part for a wide range of bicycles, including Mountain Bikes, Commuters, and Cruisers.. Universal 67-Speed CompatibilityDesigned as a direct replacement for most 6 and 7-speed drivetrain systems. It's the perfect upgrade part for a wide range of bicycles, including Mountain Bikes, Kids' Bikes, Commuters, and Cruisers.. Precise and Smooth ShiftingEngineered for reliable performance, this derailleur ensures accurate and consistent gear changes. Its robust construction maintains proper chain tension, contributing to a smoother and more enjoyable ride for cyclists of all levels.. Easy Installation ProcessThis standard hanger mount derailleur is designed for a straightforward replacement. It fits most traditional derailleur hangers, making it an ideal DIY project to get your bike shifting like new again.. Durable ConstructionBuilt from quality materials to withstand daily use. It's a dependable and long-lasting component that restores the functionality and reliability of your bike's drivetrain..

MODEL TY300 Direct Mount Bicycle rear derailleur, Suitable for 67speed.. MATERIAL This bicycle rear derailleur is made of high-quality steel, durable and long service life.Easy to install and disassemble.. PERFORMANCE Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding.. WIDE APPLICATION This bicycle transmission is suitable for variable speed bikes, mountain bikes, road bikes, bicycle racing, city bikes, folding bikes, etc.It is your indispensable bicycle accessories during your cycling journey.. NOTE The bike rear derailleur is direct mount, not hanger mount .Please check the mount type of the original part before purchasing. If you have any questions, please feel free to contact us, we will provide you with professional services..

ModelRD-TY300-SGS Bike 67 Speed Rear Derailleur for most kinds of bikes like mountain bike, hybrid bike, kids bike, cruiser bike etc.. FeaturesSmooth shifting, 67 speed derailleur is easy and fast to install. Bracket fit under wheel nut Long cage tourney derailleur, total capacity 43T, pulleyTeeth 1313T. Low sprocket Max. 34T Low sprocket Min. 28T Top sprocket Max. 14T Top sprocket Min. 11T.. TypeLong cage tourney derailleur, RD-TY300-SGS 67 speed derailleur is compatible with 11T 14T high speed gear.. StabilityMade of high quality durable aluminum alloy material and come with excellent shifting performance ensure your safe and stable while riding.. ApplicationRD-TY300-SGS is compatible with 6 and 7-speed SIS INDEX variable speed transmission systems. Suitable for MTB, mountain bikes, road bikes, folding bicycles, commuter bikes, tricycles, eletric bikes etc..

Bike Rear Derailleur with Super Stability Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding. It is your indispensable bicycle accessories during your cycling journey. Precise Adjustament High-hardness aluminum alloy body adjustment, adjustment is more precise. Bike Rear Derailleur Direct Mount for Mountain Bike can be adjusted slightly in multiple places to ensure accurate speed change performance.. Quick To Install Fast and convenient installation and easy maintenance. 67 Speed Hanger Mount for Mountain Bicycle. Note Two types for different mount style, direct mount or hanger mount. Please check the mount type of the original part before ordering.. MTB Bike Mountain Bike Direct Mount Rear Derailleur Compatible Model Speed Rear Derailleur for Road MTB Bike black rear derailleur, compatible with 67 speed 1821 speed, suitable for mountain bikes and road bikes. Accurate gears provide light and stable shift performance,and making riding easy and comfortable.. Wide Application RD-TZ31A 67-Speed Rear Derailleur Road MTB Bike Mountain Bike Direct Mount is easy to use and maintain. Suitable for MTB, mountain bikes, road bikes, folding bicycles and so on. The aluminum alloy material is sturdy and durable, and the speed change performance is stable and sensitive..

Smooth Precise ShiftingEngineered for 6 and 7-speed drivetrains, this derailleur ensures consistently smooth and accurate gear changes, providing a reliable and responsive riding experience.. Easy-Install Direct Mount DesignThe innovative direct mount system allows for quick and straightforward installation, saving you time and effort while ensuring a secure and stable connection to your bike frame.. Enhanced Durability for Rough TerrainBuilt with a robust construction and hardened components, this derailleur withstands the vibrations and impacts of rugged trails, offering long-lasting performance in demanding conditions.. Optimized Chain ControlFeatures a carefully designed linkage geometry that improves chain stability and management, resulting in quieter operation and reduced chain slap on bumpy paths.. Versatile Riding CompatibilityWhile built tough for mountain biking, its reliable performance makes it a great component upgrade for hybrid, commuter, and recreational bikes across various terrains..

Optimal Performance Long cage design accommodates up to 34T cassette - Total Capacity 43T, pulleyTeeth 1313T.. Built to Last High-Quality Aluminum Alloy Construction with Hollow Weight-Reduction Design. Nylon wear-resistant aluminum alloy guide wheel for silent, smooth, and non-wearing chain.. Smooth and Effortless Shifting SIS Index Technology and Double Servo-Panta MechanismEnables the rear derailleur to move in an optimum pathfor Stress-Free Riding. Precise and Reliable Compatible with 6 and 7-speed SIS INDEX transmission systems. Optimized guide pulley ensures precise shifting for accurate SIS performance. Suitable for Mountain, Road, and Touring Bikes.. Easy Installation and Maintenance Direct Mounting Design for Fast and Convenient Setup.It can be adjusted slightly in multiple places to ensure accurate speed change performance..

Model RD-TZ31-A bicycle rear derailleur, compatible with GS 6- and 7-speed SIS index shifting drivetrains. Precision Shifting SystemFeatures an optimized shifting mechanism that delivers smooth, accurate, and reliable gear changes for a more controlled and enjoyable ride on any terrain. Durable Long-Lasting BuildConstructed from hardened materials to resist wear and tear, this derailleur maintains consistent performance over time, even with regular use. Easy Installation SetupThe standard hanger mount design simplifies installation, allowing for quick setup and hassle-free maintenance for home mechanics and beginners alike. Ideal for Leisure CommutingPerfectly suited for casual cycling, daily commutes, and family rides, offering dependable performance that makes every journey smoother and more enjoyable.

Bike Rear Derailleur with Super Stability Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding. It is your indispensable bicycle accessories during your cycling time. Precise Adjustament High-hardness aluminum alloy body adjustment, adjustment is more precise. Bike Rear Derailleur Direct Mount for Mountain Bike can be adjusted slightly in multiple places to ensure accurate speed change performance.. Quick To Install Fast and convenient installation and easy maintenance. 67 Speed Hanger Mount for Mountain Bicycle.Note Two types for different mount style, direct mount or hanger mount. Please check the mount type of the original part before ordering.. MTB Bike Mountain Bike Direct Mount Rear Derailleur Compatible Model Speed Rear Derailleur for Road MTB Bike black rear derailleur, compatible with 67 speed 1821 speed, suitable for mountain bikes and road bikes. Accurate gears provide light and stable shift performance,and making riding easy and comfortable.. Wide Application RD-TZ31A 67-Speed Rear Derailleur Road MTB Bike Mountain Bike Direct Mount is easy to use and maintain. Suitable for MTB, mountain bikes, road bikes, folding bicycles and so on. The aluminum alloy material is sturdy and durable, and the speed change performance is stable and sensitive..

ModelRD-M310 78 speed derailleur with a maximum rear sprocket of 34T and total capacity of 43T, it adapts to various riding needs, ensuring easy handling on different terrains. Engineered for Multi-Speed Bikes The RD-M310 78 speed bike rear derailleur, featuring high-performance RD-CT95 Altus technology, compatible with 78 speeds, delivers a smooth riding experience, perfect for your biking adventures. Offers superior performance and reliability, suitable for everyday and light mountain biking. Lightweight Design Designed to be lightweight, reducing bike weight, enhancing speed and maneuverability, ideal for leisure cyclists and urban riders who demand reliable performance. Suitable for those with certain performance requirements for their bikes. Easy Installation Direct installation onto the bike's rear, avoiding the hassle of rack mounting. Make sure to choose the correct installation method before purchase. Versatile Application Fits various bike types including mountain, road, racing, city, and folding bikes, adding versatility to your cycling experience.

Enhanced durability with a steel cage and aluminum outer link for reliable performance on rugged trails and commutes.. Engineered for smooth, responsive shifting with direct cable routing that minimizes friction and ensures precise gear changes across all 9 speeds.. Compatible with wide-range 11-46T cassettes, making it ideal for versatile riding experiences such as touring, commuting, and adventure riding.. Designed specifically for use with microSHIFT ADVENT 9-speed shifters, delivering optimized shifting response tailored to this drivetrain system.. Sleek black finish offers a stylish, low-profile look suitable for both urban and trail bikes, combining performance with modern aesthetic appeal..

Model Compatibility The RD-TY21B-GS rear derailleur is designed for 6 and 7-speed SIS index shifting drivetrains, ensuring precise compatibility.. Hanger Mount DesignFeatures a hanger mount design compatible with most mountain, commuter, and folding bikes. Please confirm your frame's hanger type before installation.. Smooth OperationThe guide pulley helps maintain consistent chain tension for smoother shifting and improved chain stability.. Easy MaintenanceStandardized design allows for straightforward cleaning, adjustment, and replacement, contributing to the longevity of your bike's drivetrain.. NOTE Your satisfaction is our priority. We provide high-quality customer service and are here to help with any questions..

Model Specifically engineered for 7 Speed Derailleur systems, this model RD-TY300-SGS is fully compatible with 6 and 7-speed SIS INDEX transmission systems. It ensures crisp, smooth shifting across your gears, making every ride more enjoyable. Versatile Long Cage Design The long cage tourney 67 Speed derailleur offers a total capacity of 43T with 13-tooth pulleys. It accommodates a wide range of cassettes, fitting low sprockets from 28T to 34T and top sprockets from 11T to 14T. Built to Last A premium steel and aluminum alloy construction defies the elements for smooth, reliable shifting on any terrain. Note This is a hanger mount bicycle rear derailleur, not a direct mount. Before purchasing, verify that your bike frame has the correct mounting type to ensure a perfect fit. Universal Fit RD-TY300 bike derailleur is compatible with virtually all bike typesfrom MTB and road to commuter, folding, cruiser, and electric bikes.

Backwards compatible with all ADVENT X systems. Aluminum cage is designed to provide better chain wrap and retention. Upgraded inner linkage offers easier shifting and less cable tension. Enhanced pulley engagement for faster shifting. Aluminum cage is durable with the benefit of weight savings. Compatible with standard 10-speed chains.

Compatible with 11T min. top sprocket 28T max low sprocket. Total capacity 33T. SMARTCAGE 1113T.

Optimized for 9-speed STI shifters, the Sora RD-R3000-SS Rear Derailleur delivers smooth, precise gear shifting for versatile road cycling performance.. Constructed with an aluminum bracket body and stainless steel B-axle, this derailleur offers exceptional durability, corrosion resistance, and lightweight strength for demanding riding conditions.. Equipped with fluororic coated link bushings, this derailleur ensures low-friction operation, preserving shifting efficiency and extending component longevity.. Designed with a short cage and a large 32-tooth sprocket capacity, it provides optimized gearing for flat terrains and climbing, making it ideal for road cyclists seeking reliability and performance.. Featuring a stylish black painted finish, the Sora R3000 Rear Derailleur combines sleek aesthetics with functional engineering, perfect for upgrading your bike's drivetrain for enhanced speed and responsiveness..

Experience precise and reliable shifting with the thoughtfully designed cage architecture of the GX Eagle Rear Derailleur.. Enjoy the flexibility of using both 10-50t and 10-52t cassettes with the backwards compatible design.. Enhance your bike's aesthetics with the GX Eagle master colorway, part of the Eagle Colorsystem, which complements all colors of Eagle cassettes and chains.. Benefit from greater durability with the updated mounting system and re-positioned Cage Lock, along with sealed cartridge pulley bearings.. Get the job done with the long cage, 12-speed Lunar-colored GX Eagle Rear Derailleur, designed for improved chain retention and chain management..

Model K143 67 Speed Bike Rear Derailleur A high-performance direct mount derailleur, fully compatible and similar to TZ31A. Ideal for 67 speed drivetrains on MTB, road, and folding bikes. Robust Steel Resin Construction Crafted from high-quality steel and resin for maximum durability and a long service life. Ensures stable, reliable shifting like the TZ31A. Smooth Precise Shifting Engineered for excellent shifting performance with a sturdy aluminum alloy body. Features a wear-resistant PA nylon guide wheel for silent, smooth, and abrasion-free chain movement. Wide Compatibility Designed for 6 and 7-speed systems with a long cage for 1821-speed total capacity 36T. A perfect, durable alternative to the TZ31A. Easy Installation Fast and convenient direct mount installation Note Confirm your frame uses a direct mount, not a hanger mount. Simple to maintain and suitable for a wide range of bicycles.

Precise Compatibility Designed specifically for Shimano and SRAM 10-speed drivetrain systems, ensuring every shift is fluid and precise for a silky-smooth gear-changing experience.. Durable Robust Crafted from high-quality aluminum alloy, it offers exceptional strength and rigidity surpassing ordinary steel, while remaining lightweight. Its impact-resistant construction ensures a longer service life.. High Tooth Capacity The long cage design provides substantial tooth capacity, making it fully compatible with a wide range of cassettes from 11-36T to 40T and even 42T. Easily tackle steep climbs and challenging terrain.. Broad Applicability Optimized for mountain bikes MTB and easy to install. Whether you're upgrading your bike or replacing a part, installation is straightforward.. Important Installation Note This is a Direct Mount rear derailleur, not the traditional hanger mount type. To ensure a perfect fit, please verify the mounting type of your bike frame's original rear derailleur before ordering..

MODELTourney RD-TZ31A Hanger Mount Rear Derailleur,Suitable for 67speed System.Maximum tooth count 28TTooth capacity34T. STABILITYDurable aluminum alloy material and excellent shifting performance ensure safe and stable riding.Simple in design, sturdy and durable, its nice for daily commuting and mildly bumpy roads.. PRECISE ADJUSTMENTHigh-hardness aluminum alloy body adjustment, adjustment is more precise. RD-TZ31A 67 speed derailleur can be adjusted slightly in multiple places to ensure accurate speed change performance.. MUE GUIDE WHEELPA nylon wear-resistant aluminum alloy guide wheel, silent, smooth and no abrading for chain.Designed for 67 speed drivetrains, it is compatible with 67 speed shifters or twist shifters.. INSTALLATIONFast and convenient installation and easy maintenance.NoteThe bike rear derailleur is Hanger Mount,not Direct Mount.Please check the mount type of the original part before ordering.. SCOPE OF APPLICATIONRD-TZ31A bicycle derailleur is suitable for mountain bikes, city commuter bikes, folding bikes, etc..

MODEL RD-TY21B Direct Mount derailleur Guide wheel teeth 11T Tooth capacity 34T, Bike rear derailleur is compatible with 67 speed most kinds of bikes.. PERFORMANCE The TY21B 7 speed derailleur is constructed from durable aluminum alloy material and excellent shifting performance ensure safe and stable riding.. SIMPLE TO INSTALL AND MAINTAINThe process consists of four main steps installation, adjusting the limit stops, tightening the cable and adjusting the tension. WIDE APPLICATION This bicycle derailleur is suitable for MTB, mountain bikes, commuter bike, cruiser bike, folding bike etc.. NOTE The bike rear derailleur is direct mount, not hanger mount .Please check the mount type of the original part before purchasing..

Lightweight Resin Body and Bracket Design Reduces Weight for Better Bike Handling and Performance. Constructed with durable zinc-plated adjustment screws for enhanced corrosion resistance and long-lasting durability in all riding conditions. Compatible with MegaRange gearing up to 34 teeth, providing increased gear versatility for BMX and track racing applications. Long cage design ensures smooth, reliable shifting across a wide gear range, ideal for customizing performance on BMX bikes and track cycles. Includes a BMXtrack frame hanger for secure Mounting and reliable gear management, making it perfect for competitive and recreational riding scenarios.

Material alloy. Capacity short 35t, long 39t. Cassette Range short 11-30 t, long 11-34 t. Gearing double. Compatibility Shimano Ultegra R8000, Shimano Dura-Ace R9100.

Direct Mount Rear Derailleur Design Featuring a direct mounted rear derailleur structure rather than a hanger mount , it allows easy installation and stable alignment, helping maintain consistent shifting accuracy after setup.. Precise 78 Speed Index Shifting Designed as an 78 speed rear derailleur, this 78 speed derailleur provides accurate and smooth gear positioning, helping riders maintain stable shifting performance on different terrains and riding conditions.. Wide Gear Capacity up to 38T With a gear capacity of 38T, this rear derailleur supports a wide range of cassette combinations, making it suitable for climbing, commuting, and everyday riding needs.. Long Cage with 85mm Pulley Distance The 85mm pulley distance long cage design improves chain wrap and tension control, ensuring reliable shifting performance and reduced chain noise during riding.. Versatile Riding Compatibility Built for mountain bikes, city bikes, and commuter bicycles, this 78 speed rear bike derailleur is suitable for regular riding, offering dependable performance for daily use and recreational cycling..

MODEL RD-TY200 bike rear derailleur, the 67 speed derailleur is compatible with 6 and 7 speed SIS Index Shifting drivetrains.. MATERIAL 67 speed derailleur made of high-quality steel materials, durable and long service life. Easy to install and disassemble.. IMPORTANT The RD-TY200 direct mount rear derailleur for mountain bike, not hub bolt mount hanger mount. Suitable for MTB mountain bike ,road bikes ,variable speed bicycle,folding and city bikes.. EXCELLENT PERFORMANCE Accurate gears provide light and stable shift performance, and making riding easy and comfortable.. NOTE If you have any questions about 67 speed derailleur, please feel free to contact us, we will provide you with professional services..

Tailored for 12-Speed Systems The RD-M6100-SGS 12 Speed rear derailleur is meticulously crafted for 12-speed transmission systems, prioritizing advanced performance, durability, and reliability, catering to upscale leisure riding and technical mountain biking.. Wide-Link Design Employing a wide-link design with a total capacity of 41T and a maximum low sprocket of 42T, it enhances shifting efficiency, ensuring smooth rides. It's tailored for upscale leisure riders and technical mountain bikers with high-performance demands, providing a superior riding experience.. PRECISE SHIFTING Equipped with a 12-speed transmission system, it delivers precise and reliable shifting. Featuring quiet chain stabilization technology, it ensures a more comfortable riding experience.. Versatile Compatibility 12 Speed rear derailleur is suitable for various bicycle types, including mountain, road, racing, urban, and folding bikes, it adds versatility to your bike setup.. Direct Installation for Convenience The M6100 12-Speed derailleur utilizes a direct installation method, eliminating the need for a mounting bracket and simplifying the process. Prioritize selecting the correct installation method before purchase to ensure optimal performance and safety..

Shimano rear derailleur GRX. RD-RX810812 SB-Packed. 11-speed. Top normal. Direct mounting Shadow Plus design.

Great value Altus rear derailleur offering crisp performance on- and off-road for 9-speed drivetrains. Wide link design increases rigidity and service life. 11-tooth pulleys for reduced pulley wear and chain noise. Advanced light action design with low friction fluorine coated link pivot bushings. Top-normal swing design.

Model RD-M219L, The bicycle rear derailleur is compatible with 8 and 9 speed,suitable for most types of bicycles.. Product Performance Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding.. Suitable for various bicycles This bicycle rear derailleur is suitable for mountain bikes, city bikes, road bikes, folding bikes, etc.. Easy to install and maintain Direct installation design, fast and convenient installation. Can be easily adjusted in multiple places to ensure accurate speed changes. Attention The rear derailleur of the bicycle is directly installed, do not install a hanger. Please check the installation type of the original parts before purchasing. If you have any questions, please feel free to contact us and we will provide you with professional services..

MODELTourney RD-TZ31A Direct Mount Rear Derailleur,Suitable for 67speed System.Maximum tooth count 28TTooth capacity34T. STABILITYDurable aluminum alloy material and excellent shifting performance ensure safe and stable riding.Simple in design, sturdy and durable, its nice for daily commuting and mildly bumpy roads.. PRECISE ADJUSTMENTHigh-hardness aluminum alloy body adjustment, adjustment is more precise. RD-TZ31A 67 speed derailleur can be adjusted slightly in multiple places to ensure accurate speed change performance.. MUE GUIDE WHEELPA nylon wear-resistant aluminum alloy guide wheel, silent, smooth and no abrading for chain.Designed for 67 speed drivetrains, it is compatible with 67 speed shifters or twist shifters.. INSTALLATIONFast and convenient installation and easy maintenance.NoteThe bike rear derailleur is Direct Mount,not Direct Mount.Please check the mount type of the original part before ordering.. SCOPE OF APPLICATIONRD-TZ31A bicycle derailleur is suitable for mountain bikes, city commuter bikes, folding bikes, etc..

Premium-grade Professional Rear Derailleur The RD-M3020-SGS 8 Speed rear derailleur is meticulously crafted with high-quality materials, ensuring reliable stability for a long-lasting and stable riding experience. SGS Long Cage Design Engineered with precision, the SGS long cage design provides enhanced stability in chain tension, significantly reducing the risk of chain skipping. Equipped with a dual servo mechanism, it ensures faster and smoother shifting, enhancing the overall riding experience. Versatile Compatibility Across Multiple Bike Models RD-M3020 8 speed derailleur is compatible with 78-speed systems, it suits various types of bicycles including mountain bikes, road bikes, and folding bikes, catering to diverse riding scenarios. Tailored for Cycling Enthusiasts Designed for leisure riders who demand exceptional bike performance and technical mountain biking enthusiasts, offering them a dependable rear derailleur solution. Easy Installation for Instant Riding Enjoyment Featuring straightforward direct installation, it simplifies the process and eliminates unnecessary steps. Prior to purchase, ensure correct installation to elevate your bike's performance effortlessly.

Tourney RD-TY500 Rear Derailleur.

MODEL RD-TY21B 67 Speed Derailleur Silver Direct Mount Guide wheel teeth 11T Tooth capacity 34T, Bike rear derailleur is compatible with 67 speed most kinds of bikes.. PERFORMANCE The TY21B 7 speed derailleur is constructed from durable aluminum alloy material and excellent shifting performance ensure safe and stable riding.. SIMPLE TO INSTALL AND MAINTAINThe process consists of four main steps installation, adjusting the limit stops, tightening the cable and adjusting the tension. WIDE APPLICATION This bicycle derailleur is suitable for MTB, mountain bikes, commuter bike, cruiser bike, folding bike etc.. NOTE The bike rear derailleur is direct mount, not hanger mount .Please check the mount type of the original part before purchasing..

Rear Derailleur 3x8-speed. 8-speed drive train. Durable light action shifting peformance for stress free riding. Double Servo-panta Mechanism. Quick assembly. Allen key type inner cable fixing bolt. Total capacity 43T.

Long cage design accommodates up to 34T cassette. SIS indexing for smooth reliable performance. 67-speed compatible.

Model MG-67RD Bike rear derailleur 67 Speed for most kinds of bikes like mountain bike, hybrid bike, kids bike, cruiser bike etc.. Features Smooth shifting, easy and fast to install. Hollow out weight reducing integrated aluminum alloy body, high-strength forging, more stable speed change. Bracket fit under wheel nut medium cage derailleur, total capacity 28T, pulleyteeth 1111T.. Stability Made of high quality durable aluminum alloy material and comes with excellent shifting performance ensure your safe and stable while riding. Lightweight design reduces chain wear and ensures smooth speed change.. Application Compatible with 6 and 7-speed variable speed transmission systems. Suitable for mountain bike, cruiser bike, folding bike, commuter bikes, tricycles, electric bikes etc.. Type Medium cage derailleur, please note this derailleur is hanger mount, not direct mount, please make sure to choose correct type before you purchase.. Important We provide excellent customer service, please feel free to contact if you have any questions..

Rear DerailleurThe RD-4700-SS 10 Speed rear derailleur is meticulously crafted with high-quality materials, ensuring reliable stability for a long-lasting and stable riding experience. Compatible shiftersDue to its unique 1.4 cable pull ratio, the RD-4700-SS 10 speed rear derailleur must be paired with shifters featuring the same 1.4 cable pull ratio.. Reliable Performance and DurabilityThe RD-4700-SS delivers precise and light shifting action, reduce chain chatter and slap for quieter riding. Its rear derailleur body is closer to the cassette, featuring a more compact structure that reduces the risk of impact damage.. Extensive Sprocket Compatibility Supports sprocket up to 34T , a maximum tooth capacity of 37T, enabling road bikes to achieve effortless climbing gear ratios .The D-4700-SS 10 speed derailleur is suitable for long-distance touring.. ApplicationThis 10 speed rear derailleur is suitable for various road bicycle types, including endurance road bikes, adventure road bikes, and commuter bikes..

MODELBicycle rear derailleur Tourney RD-TX800, suitable for 8-speed SIS index variable speed drives. Please pay attention to the speed when buying.. Direct installationBefore purchasing, please confirm whether the 8 speed rear derailleur of your bicycle is directly installed or hook mounted. Our model is a direct installation method.. Wide applicationThis bicycle transmission is suitable for variable speed bikes, such as mountain bikes, road bikes, racing bikes, city bikes, folding bikes, etc. Is a good helper for your riding.. Durable After 50,000 kilometers of testing, our products RD-TX800 8 speed derailleur are still sturdy and can be precisely adjusted gears.. AFTER-SALES GUARANTEEWe provide excellent customer service, please feel free to contact us if you have any questions about this 8 speed derailleur..

Two Teflon coated connecting pins. Design for higher rigidity. m-direct. Cage medium length. Material Other.Unisex.

Material aluminum. Pull Type mechanical. Cage Length long. Cassette Range 10 - 51t. Gearing 1 x 12.

MODEL RD-TY21B hanger Mount derailleur Guide wheel teeth 11T Tooth capacity 34T, Bike rear derailleur is compatible with 67 speed most kinds of bikes.. PERFORMANCE The TY21B 7 speed derailleur is constructed from durable aluminum alloy material and excellent shifting performance ensure safe and stable riding.. SIMPLE TO INSTALL AND MAINTAINThe process consists of four main steps installation, adjusting the limit stops, tightening the cable and adjusting the tension. WIDE APPLICATION This bicycle derailleur is suitable for MTB, mountain bikes, commuter bike, cruiser bike, folding bike etc.. NOTE The bike rear derailleur is hanger Mount , not direct mount.Please check the mount type of the original part before purchasing..

The Rd-R7000 11 Speed derailleur is compatible with 11-speed systems and ensures accurate gear changes for a seamless ride.. Sleek Lightweight Design Featuring a slender profile and lightweight construction, enhancing the overall aesthetic appeal of the bike while maintaining optimal performance in this R7000 11 Speed derailleur.. Versatile Application 11 Speed derailleur is suitable for 11-34t setups chainring, catering to various riding scenarios and providing riders with flexible options.. Easy Installation Directly mounts to the rear of the bike.The rear derailleur profile is closer to the frame and positioned lower, reducing chain vibration and hitting the frame.. Wide Compatibility The 11 Speed derailleur is compatible with various road bikes, urban bikes, offering versatility in bike performance..

ModleRD-M3100-GS 9 Speed Derailleur, Maximum tooth capacity 45T, Maximum cassette 40T, Suitable for large cassettes 11-36T, 11-40T. Robust DurabilityFeatures a low-profile design positioning the rear derailleur closer to the cassette, effectively reducing the risk of scraping and impact. Delivers outstanding durability and adaptability.. Simple MaintenanceThe rear derailleur features a straightforward design, easy adjustment, and excellent chain stability.. Large Climbing CapabilityEngineered for steep, offering optimal gear ratios for commuting, touring, or mountain cycling.. Versatile CompatibilityWhether for daily commuter bikes, loaded touring bicycle, off-road mountain bikes or road bicycle, the RD-M3100 9 Speed Derailleur delivers stable and reliable performance..

The SLX Rd-M7100 SGS 12 Speed rear derailleur designed for direct bicycle installation, ensures smooth gear shifts. It delivers precise and rapid shifting even within the extensive gear ratio range of 12-speeds, equipped with cushioned pads and a 13T pulley, enhancing the riding experience with reduced noise and increased enjoyment.. The larger 13T pulley minimizes chain friction, improving the smoothness of bicycle rides. Its wide-ranging 12 speed derailleur transmission system is adept at handling various terrains.. Its discreet design and single-tension structure enhance the stability of the derailleur while elevating the aesthetic appeal of the bicycle. The compatibility of the new 12-speed cassette gearbox extends the shifting range, making the bicycle adaptable to diverse road conditions.. 12 Speed derailleur is suitable for various types of bicycles, including mountain, road, racing, urban, and folding bikes, adding versatility to your cycling experience.. The 12 Speed rear derailleur is designed for direct installation, simplifying the process and eliminating the need for a mounting bracket. Ensure the correct installation method is selected before purchase for optimal performance..

Engineered for Multi-Speed Bikes The RD-M310 78 speed bike rear derailleur, featuring high-performance RD-CT95 Altus technology, compatible with 78 speeds, delivers a smooth riding experience, perfect for your biking adventures. Offers superior performance and reliability, suitable for everyday and light mountain biking. Lightweight Design Designed to be lightweight, reducing bike weight, enhancing speed and maneuverability, ideal for leisure cyclists and urban riders who demand reliable performance. Suitable for those with certain performance requirements for their bikes. Strong AdaptabilityRD-M310 78 speed derailleur with a maximum rear sprocket of 34T and total capacity of 43T, it adapts to various riding needs, ensuring easy handling on different terrains. Versatile Application Fits various bike types including mountain, road, racing, city, and folding bikes, adding versatility to your cycling experience. Easy Installation Direct installation onto the bike's rear, avoiding the hassle of rack mounting. Make sure to choose the correct installation method before purchase 78 speed derailleur.

1Broad Compatibility Designed to fit a wide range of bicycle models and brands, this universal derailleur hanger ensures a perfect fit and easy replacement for most bikes, making it a versatile choice for cyclists. 2Durable and Resilient Crafted from high-quality materials, this derailleur hanger is built to withstand the rigors of everyday cycling, offering excellent resistance to bending and breakage for long-lasting performance. 3Precision Engineering With precise alignment and robust construction, the hanger ensures smooth and accurate shifting, enhancing your bikes overall gear performance and riding experience. 4Easy Installation The universal design allows for quick and hassle-free installation, enabling cyclists to effortlessly replace or upgrade their derailleur hanger without the need for professional assistance. 5Compatibility Notice Since our accessories don't have a specific matching model, you can compare the parts you need to replace to see if their wiring, size or shape match according to the product information.

Shimano Deore XT RD-M8000 SGS 11-speed rear derailleur.. Item Package Length 15.6 cm. Item Package width 15.4 cm. Item Package Height 10.4 cm.

105 RD-R7000 Rear Derailleur.

Deore RD-M5120 Rear Derailleur.

MODELRD-TZ31-A hanger mount, bicycle rear derailleur suitable for 67 speed rack mounting.. NOTE The bike rear derailleur is hanger mount, not direct mount .Please check the mount type of the original part before purchasing. If you have any questions, please feel free to contact us, we will provide you with professional services.. PERFORMANCE Sturdy aluminum alloy material and excellent shifting performance ensure safe and stable riding, and no abrading for chain.. WIDE APPLICATION Suitable for MTB, mountain bikes, road bikes, folding bicycles, commuter bikes, eletric bikes etc.. Important We provide excellent customer service, please feel free to contact if you have any questions..

SRAM NX Eagle Rear Derailleur features durable construction with aluminum and composite materials designed for rugged mountain biking and e-bike performance.. Engineered with SRAM's proven X-HORIZON technology and Eagle pulley system, it provides crisp, precise shifts, and reduced chain tension for a smooth pedaling experience across a wide gear range from 10 to 50 teeth.. Equipped with Type-3 ROLLER BEARING CLUTCH technology, this derailleur offers increased durability, quiet operation, and reliable chain control even on challenging terrain or during extended rides.. Designed for 12-speed SRAM Eagle drivetrains, the long cage configuration efficiently accommodates up to a 50-tooth cassette, making it ideal for aggressive trail riding, enduro, or e-bike applications.. Featuring a sleek black finish, this derailleur's robust mounting system and cage lock function enhance durability and ease of maintenance, ensuring long-lasting performance in demanding cycling conditions..

SRAM GX Rear Derailleur with Clutch enhances 1x11-speed mountain bike performance through innovative engineering, featuring a durable aluminum cage and steel pulleys for reliable shifting and chain control.. Designed with SRAM's exclusive X-HORIZON technology, this derailleur provides precise, consistent gear changes across the entire 11-speed range while reducing shift force and cage slap for a smoother ride.. The Type 2.1 roller bearing clutch system incorporates sealed cartridge bearings and self-lubricating components, actively damping chain noise and preventing chain slap, even on rugged trails.. Built for versatility, the long cage configuration accommodates a wide gear capacity of up to 32 teeth and is compatible with a 10x1 standard mounting system, making it ideal for aggressive mountain biking and trail riding.. With features like CageLock for easy wheel removal and maintenance, along with a sleek black finish, the SRAM GX Rear Derailleur seamlessly combines performance, durability, and style for mountain bikers seeking reliable, high-performance drivetrain components..

Enhanced shifting precision with SRAM's 11 actuation ratio, providing smooth and responsive gear changes for 7, 8, or 9-speed systems.. Constructed with lightweight alloy outer link and B-knuckle, combined with a steel and composite cage, ensuring durability and reduced weight for reliable long-distance riding.. Features a long cage design with replaceable pulleys, offering up to 45T chain wrap capacity and compatibility with a wide gear range from 11T to 34T cogs, perfect for mountain biking and adventure rides.. Engineered for top-normal resting position and compatible with standard 10x1 mounts, allowing easy installation on various bicycle frames and versatile use cases from trail riding to gravel adventures.. Innovative materials and precise engineering deliver excellent performance, with a weigh-in of only 280 grams, making it an ideal upgrade for riders seeking durable, high-performance derailleur components with sleek black styling..

9-Speed compatibility. Direct route technology for lighter effort shifting. 11 exact actuation ratio.

High-precision 11 shifter-to-derailleur actuation ratio ensures smooth, light-action indexing across 7, 8, or 9-speed cassettes for reliable gear changes on varied terrains.. Manufactured with durable, materials in sleek black finish, this long cage SRAM X3 derailleur offers exceptional longevity and corrosion resistance for all-weather riding conditions.. Advanced engineering with a 45-tooth chain wrap capacity and compatibility with 10x1 standard mounts makes this derailleur ideal for mountain bikes, hybrid bikes, and touring setups needing versatile gear options.. Designed for versatile use cases, the SRAM X3 rear derailleur provides precise gear shifts in off-road, mountain biking, or urban commuting scenarios, combining style and performance in a lightweight 272g package.. Innovative features include a long cage design for increased gear range and compatibility with multiple drivetrain speeds, ensuring optimal rear derailleur performance for both casual riders and mountain biking enthusiasts..

For use with 10 speed chains. Long cage. Serviceable pulleys. SRAM Exact Actuation for precise and dependable 10-speed performance. Direct Route Technology for light, positive shifting action.

Package78910 speed bicycle rear derailleur. MaterialThis rear derailleur is made of high-quality aluminum alloy. It is stronger and more durable with high stability.. StabilityPrecise gears ensure easy and stable shifting performance, making riding easy and comfortable without wearing the mountain bike chain and ensuring smooth transmission.. Easy to UseThis bicycle rear derailleur is easy to install and use. Wide UseThis bicycle front derailleur is suitable for MTB.

Fast, shockless shifting and low-profile design.. Large 13T pulleys increase efficiency.. Decreased tension in low gear and added bumper improve drivetrain silence.. 12-speed rear..

Compatibility Ultegra R8000 or 6800-series rear derailleurs. Recommended Use road cycling. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions..

Enhanced durability with SRAM's Type 3 clutch system delivering smoother, quieter shifts and superior chain retention for all-mountain and enduro riding.. Constructed from aluminum with a Lunar finish, combining lightweight design 276g with durability and style for aggressive trail use.. Advanced engineering includes a 14T lower pulley and optimized cage design, ensuring precise gear changes and enhanced drivetrain efficiency across 12-speed setups.. Backward compatibility with 10-50t and 10-52t cassettes offers versatile performance for mountain bikers seeking broad gear range options.. Innovative features like the included chain gap tool simplify setup and maintenance, making this derailleur a reliable choice for professional trail riders and bike shop enthusiasts..

- Crafted from lightweight durable aluminum, the SRAM SX Eagle Rear Derailleur ensures long-lasting performance and corrosion resistance for reliable mountain biking adventure.. - Engineered with SRAM's proven X-Sync pulley technology for enhanced efficiency, crisper shifting, and quieter operation across all 12-speed gear ranges.. - Compatible with the SRAM Eagle ecosystem and Eagle Colorsystem, offering seamless integration and customization for your complete drivetrain setup.. - Features a Long Cage design with a capacity of 40 teeth, accommodating wide-range cassettes up to 50T for versatile gear options and optimized hill-climbing capability.. - Designed with a user-friendly Cage Lock feature for effortless trail-side wheel removal and easy maintenance, perfect for discovery-level and advanced riders alike..

Cage Length long. Capacity 51t. Cassette Range 10 - 51t. Gearing 1 x 12. Compatibility Shimano Deore 12-speed drivetrain.

Stabilizer switch to reduce chain slap. Low profile Shadow design. 10-Speed Shadow Plus MTB rear derailleur.

Material alloy. Capacity short 35t, long 39t. Cassette Range short 11-30 t, long 11-34 t. Gearing double. Compatibility Shimano Ultegra R8000, Shimano Dura-Ace R9100.

Capable of handling up to a 30t maximum cassette size. Extra stiff for crisp, durable shifting. Sealed bearing tension pulley. Compatible with 10 speed Shimano drivetrains. Shimano Reference Number RD 5700A.

Chain Wrap Capacity 43teeth, Derailleur Action Top-Normal Traditional. Derailleur Color black, Drivetrain Spacing ShimanoSRAM 8, Largest Cog 34teeth. ShifterRear Derailleur Shimano, Speeds 8sp, Weight 326g.

TX models come with Smart Cage which gives MegaRange compatibility with a shorter derailleur cage. TX models come with Smart Cage which gives MegaRange compatibility with a shorter derailleur cage. Chain Wrap Capacity 43. Cage Length Long. keyword search Replaces rd8162.

ModelRD-M5100-SGS-11s 11 Speed Bike Rear Derailleur, Direct Mount For 11T-51T 11T-46T gears sprocket 284 g0.63LB. Low ContourThe M5100 11 Speed rear derailleur body is closer to the bike frame, reducing the risk of being hit by stones or snagged on rough terrain, improving passability and protection.. Enhanced Stability The special parallelogram structure design better suppresses chain bounce , providing more stable and precise shifting.. Large Gear Supports range of cassettes up to 11-51T, providing excellent climbing performance for mountain biking, RD-M5100-SGS 11 speed bike rear derailleur is particularly suit for steep slopes. Easy MaintenanceThe structure is simple and reliable, making M5100 11 speed derailleur easy to clean and perform basic maintenance. Suitable for various mountain bikes and commuter bikes..

Model RD-M700-12s 12 Speed Bike Derailleur, Direct Mount Gear Capacity 53T,Ultra-low profile design. Low ContourThe M700 12 speed derailleur body is closer to the bicycle frame, reducing the risk of being hit by stones or snagged on rough terrain, improving passability and protection.. Enhanced StabilityThe special parallelogram structure design better suppresses chain bounce , providing more stable and precise shifting.. Large Gear Gear Capacity 53TProviding excellent climbing performance for mountain biking, RD-M700 12 speed bicycle rear derailleur is particularly suit for steep slopes. Easy MaintenanceThe structure is simple and reliable, making M700 12 speed derailleur easy to clean and perform basic maintenance. Suitable for various mountain, commuter bikes..

ModelRD-TZ500 Rear Derailleur Bike 67 Speed Derailleur 11T guide wheel. StabilitySteel body durable and impact resistant Plastic guide wheel lightweight base model and come with excellent shifting performance ensure your safe and stable while riding.. FeaturesSmooth shifting, 67 speed derailleur has simple structure design and can quickly complete the installation .Supports up to 32T freewheel. ReliabilityThe TZ500 rear derailleur is a useful component designed for entry-level models, making it a common choice for budget bikes thanks to its reliability and ease of use.. ApplicationTZ500 67 speed derailleur is suitable for mountain bikes, road bikes, folding bicycles, commuter bikes.

ModelBicycle rear derailleurBike shifters compatible with Shimanosram 9 speed mountain bikes.. NoteMTB rear derailleur is direct mount,not hub bolt mount .Please check the mount type of the original part before ordering.. Excellent PerformanceAccurate gears provide light and stable shift performance,and making riding easy and comfortable.. MaterialRear derailleur Shifter is made of aluminum alloy brake cables are made of premium stainless steel durable and long service lifeEasy to install and disassemble.. ApplicationSuitable for MTB,mountain bikes,Bmxroad bikes, folding bicycles and so on..

Double Servo mechanism enables the rear derailleur to move in an optimum path. Versatile performance and wide compatibility. SGS Long cage.

Durable construction with steel and lightweight aluminum components for reliable performance on casual rides and long tours.. Optimized for 8-speed road shifters, offering smooth and precise gear transitions with a maximum cassette size of 34 teeth for versatile gear ratios.. Medium cage design enhances chain stability and accommodates a chain wrap capacity of 43 teeth, ensuring consistent shifting across varied terrains.. Sleek black finish provides a stylish, corrosion-resistant look suitable for everyday commuting and leisure cycling, blending durability with understated elegance.. Engineered with 's advanced technology for rugged performance and easy installation, making it an ideal choice for entry-level riders seeking dependable drivetrain upgrades..

1x11-speed SHIMANO SHADOW RD rear derailleur.

9-speed compatible. Compatible with all Shimano 9-speed HG cassettes, 9-speed mountain shifters and 9-speed chains. Smooth light shifting operation. 34t minimum low gear for proper function. Lower profile than prior generation.

Shimano 3500 Rear Road Mech. Colour Black. 9 speed. Road Bike use. Medium Cage.

Shimano Tourney Rear derailleur compatible with all Shimano 6 and 7 speed shifters. Advanced light action design. SGS cage can handle wide range gearing. Direct fit screws into hole in frame.. SIS Rear index shifting. 13 tooth pulleys offer long service life and less noise..

The Shimano Alivio rear derailleur with Shadow RD technology is even better than its predecessor for trail and trekking use. Thanks to the very flat design and the optimised spring tension, a stop on the chain stay is prevented and even trail obstacles have hardly a chance to damage the rear derailleur.. The rear derailleur supports nine gear levels and the HyperGlide system which protects the drive components from premature wear..

Shimano Acera rear derailleur. RD-M30208SGSL 78-speed. Direct installation. Great quality. Durable materials.

Advanced 12-speed drivetrain performance with the SRAM GX Eagle AXS Rear Derailleur offers seamless wireless shifting via AXS technology, ensuring precise and customizable gear changes on demanding trail or mountain biking adventures.. Constructed with a durable steel cage and pulley bearings, this derailleur provides exceptional resilience and consistent performance in rugged riding conditions, backed by SRAM's Overload Clutch protection system to prevent damage from impacts or overloads.. Compatible with a wide range of cassettes up to 52 teeth, including 10-52T and 10-50T options, the GX Eagle AXS offers versatile gear range optimization for climbing, sprinting, or technical terrain, tailored to rider preferences.. Featuring a sleek Lunar finish and integration with SRAM's AXS app, this long cage derailleur can be personalized and programmed for optimal shifting performance, giving riders full control and confidence during intense rides or competitive events.. Engineered for mountain biking enthusiasts seeking innovation and durability, this derailleur combines cutting-edge Eagle technology with reliable components like steel pulleys and a strengthened clutch system, making it a choice for aggressive trail riding and endurance cycling..

Model Shimano Tourney SIS RD-TZ31-GS 67 speedmedium-cage , direct mount.No retail packaging. Items as shown. Specifications Total capacityaka chain capacity 34T, Largest sprocket 28T , Smallest sprocket 14T, Front chainwheel tooth difference 20T.. Compatibility Compatible with 6 and 7-speed SIS Index Shifting drivetrains, for mountain bike.. Incompatibility 1 Not compatible with hub bolt mount bracket mount frame 2If the total capacity of your bike exceeds 34T, this RD-TZ31 is not compatible with your bike, please konw before buying. Please see below for a detailed description of how to calculate total capicity.. Tools Required 5mm allen wrench.

Model RD-TY300-SGS Bike Rear Derailleur 67 Speed for most kinds of bikes like mountain bike, hybrid bike, kids bike, cruiser bike etc.. Features Smooth shifting, easy and fast to install. Bracket fit under wheel nut Long cage tourney derailleur, total capacity 43T, pulleyTeeth 1313T. Low sprocket Max. 34T Low sprocket Min. 28T Top sprocket Max. 14T Top sprocket Min. 11T.. Stability Made of high quality durable aluminum alloy material and come with excellent shifting performance ensure your safe and stable while riding.. Application Compatible with 6 and 7-speed SIS INDEX variable speed transmission systems. Suitable for MTB, mountain bikes, road bikes, folding bicycles, commuter bikes, tricycles, eletric bikes etc.. Type Long cage tourney derailleur, compatible with 11T 14T high speed gear.. Important We provide excellent customer service, please feel free to contact if you have any questions..

Shimano Acera M360 7. 8-Speed Rear Derailleur with SmartCage, Black.

Model RD-TZ31-A Bike rear derailleur, compatible with 67 speed mountain bikes, commuter bike, tricycle, folding bike etc.. Note The bike rear derailleur is direct mount, not hub bolt mount. Please choose right mount way before you purchase.. Stability Made of high quality durable aluminum alloy material and come with excellent shifting performance ensure your safe and stable while riding.. Application Suitable for MTB, mountain bikes, road bikes, folding bicycles, commuter bikes, tricycles, eletric bikes etc.. Important We provide excellent customer service, please feel free to contact if you have any questions..

Deore RD-M4120 Rear Derailleur.