Shimano fd-m310 Altus 8-Speed front derailleur, conventional swing, 42-48t, 66-69 degree.

Material Made of hard steel, durable and not esaily broken, rust proof, and easy to install.. Easy to UseLight operation and smooth shifting, multi clamp band quick assembly.. Feature Compact and lightweight, no burdent to your bike,the surface is smooth without burr,convenient to clean and maintain. Special Design Features stable front variable speed performance and narrow antiskid plate design.variable speed performance and narrow antiskid plate design.. Wide use Suitable for BMX bikes, cruisers, electric bikes, folding bikes, hybrid, mountain bikes, etc. Can reduces the chance of damage to the lower fork after collision and abrasion of chain..

9 speed compatible Sora triple front derailleur delivers great value to sport level road riders. Wide pivot link increases rigidity while reducing flex for improved shifting response. Aluminium links and band to save weight and increase rigidity. For road cycles equipped with 9 speed drivetrains. Braze on mount.

Fit for 423424 teeth threepiece type crankset, high compatibility bidirectional cable arm, support both up and down trace, Suitable for 67891011 or 182124273033 speed mountain bikes. Mount Type Clamp On, 34.9 to 31.8 conversion clip ring, supports 31.834.9mm diameter tube, universal for most mountain bike. Precision machining ensures smooth operation. The chain moves from one sprocket to another, almost without wear. The derailleur is made of high-quality metal material, which is rust-proof, wear-resistant and durable. Forged aluminum construction lowers weight without sacrificing durability. Suitable for BMX bikes, cruisers, electric bikes, folding bikes, hybrid, mountain bikes, etc..

Designed for a 63-66 degree chain stay angle.

Can be used with max. 46 - 52 teeth on the largest chainring. Enables smooth, smooth switching operations.

Mountain double or triple. Dual Pull Design Compatible with top or bottom routing. Shimano Reference Number FD-M310.

For 7-speed drivetrains. Compatible with 50T chainring. SG-X chainring compatible. Dual SIS front index shifting.

Dual Pull Design Compatible with top or bottom routing. Clamp size 31.8mm34.9mm. Suitable for 42-34-24T crankset. Dual SIS front index shifting, mountain double or triple. It works perfectly for optimum performance and maximum safety and longevity.

Item Package Weight 0.21 kg. Item Package Length 9.2 cm. Item Package width 12.0 cm. Item Package Height 15.6 cm.

ModelFront derailleur FD-TY300 Down swing 31.8mm, 3x76-speed. Please carefully check whether the front derailleur of your bike is a pull-UP type before buying, if yours is a pull-down type, it is not applicable.. Compatible tooth ratio42T, drawing mode up double pull, installation diameter 31.8mm.. Double SIS positioning47.5-50mm chain center line compatible with wide chain design, improve variable speed response, extend service life.. FeaturesClamp Band Mount, 3x76-speed. Made of high strength aluminum alloy material, strong and durable, lightweight design.. Principle of speed changeThe speed change line pulls the guide chain piece to toggle the chain, so that the chain runs on different tooth pieces of the tooth disk, realizing the tooth ratio of different speeds, making the riding more effortless and faster..