Top 6 Best Front Bike Derailleurs

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..

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..

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

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

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

Rigorous DesignDouble top or bottom pull, 3-speed design, can matching 67891011 speed rear derailleur Don't matching 12 speed rear derailleur.. DimensionClip ring supports 31.834.9mm diameter tube. Crankset 3 gears, compatible crankset 22-42T. universal for most mountain bike.. Easy To UseAttach the front derailleur to the bike frame, temporarily tighten the toggle bolts, and then adjust the flat part of the chain guide outer guide plate to be parallel to the flat surface of the maximum crankset. Make adjustments, make it have 1-3mm space between the outer guide of the chain guide and the maximum crankset. After the adjustment is complete, tighten the ring bolts.. SUITABLEFits for most bikes like BMX, MTB, Mountain BikeRoad Bike. Great accessory for outdoor riding.. Superior Material Bicycle Front Derailleur, made of high-quality aluminum alloy material, solid and solid chain guide plate, steel mark, chrome plated, bright, wear-resistant, rust-proof, high strength, durable, safe and reliable..

Material aluminum, steel, composite. Pull Type electronic. Mount Type braze-on. Gearing 2x. Compatibility SRAM AXS Force, Red 12-speed.

Improved chain guide shape delivers smooth shifting at each rear position, even under heavy load. Stiffer, wide inner link design with two pivots increases strength, rigidity and eliminates the need to manually trim the outer chainring - no more chain rub in the big-big combination. DUAL SIS front indexed shifting with optimized spring tension reduces the shifting effort required to move between chainrings - the result is featherlight downshifts and smoother upshifts. Forged aluminum construction lowers weight without sacrificing durability. Use with Shimano Dual Control Levers for both small and big ring trim.

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

Material aluminum. Mount Type braze-on. Gearing top gear 46-53T. Compatibility Shimano E-Tube Di2. Claimed Weight 4.7oz 132g.