Front

Featuring full metal construction and precisely engineered linkages, Marvo level derailleurs deliver high-end performance that will last. - Full aluminum construction - Dual-pull design - 34.9mm version includes 31.8mm adapter

R8 front derailleurs feature a cold forged aluminum body and are optimized for 7 and 8-speed chains and Shimano-compatible road shifters.

- Prevents chain derailment when shifting to inner ring - Adjustable hose-type clamp fits 1-1/8" to 1-3/8" seat tubes