Shimano XTR RD-M9100-GS Rear Derailleur - 12 Speed Medium Cage Gray With Clutch

Shimano XTR RD-M9100-GS Rear Derailleur - 12 Speed Medium Cage Gray With Clutch. The Shimano XTR M9100 is designed to withstand full force pedalling on the roughest trails with smooth shifting and exceptional chain stability. It offers enhanced shifting performance a low profile design and low sprocket compatibility.

Designed with a Shadow RD+ clutch to reduce chain slap and create a quiet drivetrain with less distraction

Decreased rear derailleur tension at low gear positions prevents high chain tension

Features a larger 13-tooth pulley