Box Mountain Bike Derailleur

help off-road enthusiasts take it to the next level. With smooth, precise X-Glide shifting and legendary SRAM 10-speed performance, X5 brings out the best in any bike—and in every rider. Features: SRAM ...

of trekking and urban e-biking with the Shimano CUES RD-U8020 Shadow+ rear derailleur's smooth and decisive shifting performance. The low-profile design and chain stabilization give riders the confidence to ride over rough ...

X-Horizon Rear Derailleur lets you run 1 x 11 gearing, plus it is packed with technology borrowed from XX1 to give you fast, precise, and smooth shifting action. Straight parallelogram design and ...

redesigned SRAM XX1 Eagle derailleur gives no-compromise racers and dream-bike builders a true top-tier option. The crisp, precise XX1 shifting feel athletes rely on now features an updated cage geometry for improved ...

105 RD-R7100 rear derailleur is Shimano's first 12-speed road mechanical system, making it a great option for any cyclist wanting a wider range gear capacity and smooth shifting in a value-focused groupset. ...