Shimano XTR RD-M9100 Rear Derailleur Shadow+ 12 Speed Long Cage 51T Max GSRD the new SIDLuxe Ultimate Flight

the new SIDLuxe Ultimate Flight Attendant is a shock built to dominate the track

S-Works M5 HT - 2005 (Late)

Internal Width 21mm | 21mm

The Shimano CN-M8100 12-Speed Chain delivers smooth

Shimano XTR RD-M9100 Rear Derailleur Shadow+ 12 Speed Long Cage 51T Max GSRD the new SIDLuxe Ultimate FlightTight 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