Shimano XTR RD-M9250-SGS Di2 Wireless Rear Derailleur – 12-Speed Long Cage Shadow ES Black/Gray. The 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 performance
Wireless Di2 paired with HYPERGLIDE+ technology result in smooth precise and instantaneous shifts
Wide link structure skid-plate design durable carbon plate and solid pulley add robustness and longevity
Automatic Impact Recovery function instantly returns the derailleur motor to its original position after impact
Shadow ES provides a slimmer stronger evolution of Shimanos pioneering chain-stabilizing Shadow concept
Wedge shape of Shimanos most survivable rear derailleur to-date avoids more direct impacts and smoothly glances off rocks if there is a hit
Tucked safely inside an enclosed space the battery wont budge even in rough terrain while remaining completely removable for charging
Largest Cog 51Rear Der/Shifter Compatibility Shimano Mountain Di2Rear Derailleur Mount Type 10×1 StandardRear Derailleur Mount Type Shimano Rear Direct MountDrivetrain Speeds 12Chain Wrap Capacity (teeth) 41Cage Length LongColor Black/SilverWeight 391
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