Shimano XTR RD-M9100 Rear Derailleur Shadow+ 12 Speed Long Cage 51T Max GSRD incorporated aspects from aerospace engineering

incorporated aspects from aerospace engineering and motorsport

S-Works M5 HT - 2005 (Late)

The lightweight Galfer Wave brake discs are made of high-quality

Wide contact platform

this Fly Cage Poly screams style

Shimano XTR RD-M9100 Rear Derailleur Shadow+ 12 Speed Long Cage 51T Max GSRD incorporated aspects from aerospace engineeringTight and precise. Designed to withstand full force pedalling on the roughest trails, while shifting gears as smooth as ever. Shimano's best chain stability yet. Features Shadow RD+ for optimal chain retention Decreased rear derailleur tension at low gear position, to prevent high chain tension Added bumper at rear derailleur pulley cage Optimized for new drive system Specifications Cage Length: choose; GS Medium, or SGS Long Total Capacity: 35T