XTR RD-M9250-SGS Di2 Wireless Rear Derailleur - 12-Speed, Long Cage, Shadow ES, Black/Gray electronic shifters & parts Indicates chain wear at 0

Indicates chain wear at 0

and a relaxed fit that balances pedal feel and off-the-bike comfort

though with possible slight cosmetic inconsistencies

"LLB" type 2-lip low-contact Nitrile Butadiene rubber labyrinth seals

double thread bottom bracket includes premium high carbon steel ball bearings and features multiple technologies which provide a smooth

XTR RD-M9250-SGS Di2 Wireless Rear Derailleur - 12-Speed, Long Cage, Shadow ES, Black/Gray electronic shifters & parts Indicates chain wear at 0The Shimano Di2 XTR M9250 wireless long cage derailleur paired with a standard 10 51t M9200 cassette (cassette sold separately) gives riders and racers the speed, range, and robustness to tackle every trail on the mountain. With built in Automatic Crash Recovery, an impact deflecting shape, and simple covered pulley solutions, this derailleur stands up to harsh trail impacts and still retains its lightning quick shifting speed and top level