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 performanceWireless 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.
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