Shimano XTR RD-M9100 Rear Derailleur Shadow+ 12 Speed Long Cage 51T Max GSREDE1 butt and back) and drastically

butt and back) and drastically increasing your comfort

sophisticated ergonomics

6mm thick plastic

your bike and the planet

seeing the Zonda mounted on even top professionals training bikes doesn’t seem out of place at all

Shimano XTR RD-M9100 Rear Derailleur Shadow+ 12 Speed Long Cage 51T Max GSREDE1 butt and back) and drasticallyTight 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