Shimano XT RD-M8100 12 Speed Rear Derailleur - Long Cage - 12 Speed Heavy/Bulky 5" ERD - 560

5" ERD - 560

Frame - Fits into a 41mm Non-Threaded Bottom Bracket Shell

This is effectively a small suitcase

4mm and 31

A fully repairable and adjustable clutch that can be turned on or off

Shimano XT RD-M8100 12 Speed Rear Derailleur - Long Cage - 12 Speed Heavy/Bulky 5" ERD - 560The M8100 12 speed rear derailleur offers fast and precise shifts on any trail. It features a low profile design to minimise it catching on stray branches or rocks. It also features Shimano's adjustable clutch system and added bump stops for increased chain security and quieter operation even on the bumpiest terrain. Designed for use on Shimano's 12 speed wide range cassette, it can handle a massive 10 51T range, and comes with a larger 13T pulley for