RD-M8250 Rear Derailluer XT Di2 10-51T 12-Speed Head Units to secure your bike against

to secure your bike against theft

thread CO2 cartridge fully onto inflator head

Marginal gains

Splash-proof material

RD-M8250 Rear Derailluer XT Di2 10-51T 12-Speed Head Units to secure your bike againstDescription The all new DEORE XT M8250 long cage derailleur paired with a standard 10 51T M8200 cassette gives all types of riders the range and robustness to tackle every trail on the mountain. With built in Automatic Impact Recovery, a new, impact deflecting wedge shape, and simple covered pulley solutions, this derailleur stands up to harsh trail impacts and still retains its lightning quick shifting speed and high level of performance.