deragliatore shimano deore xt fd m8100 m montaggio con fascetta 2x12vSHIMANO DEORE XT Derailleur SIDE SWING Clamp mount MTB 2x12 speed SHIMANO DEORE XT M8000 series derailleurs provide low effort action and secure, reliable shifting for aggressive trail riding. They also offer an extra wide gear range with a 36 26D chainring combination. FEATURES The exclusive design helps ensure reliable shifting Wider gear range for bikes with long travel suspension, without chain interference SIDE SWING derailleur Wide range extra