The Shimano Deore XT M8250 long-cage derailleur paired with a standard 10-51t M8200 cassette (cassette sold separate) 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.Di2 technology results in precise and clean wireless shifting Pinpoint ultra-fast shifting and a no-sacrifice 510% gear range Wide link structure skid-plate design durable aluminum plate and solid pulley add robustness and longevity Automatic Impact Recovery function instantly returns the derailleur motor to its original position after impact Shimano Shadow ES technology delivers a wedge-shaped design that reduces the derailleur’s front-facing surface area and eliminates edges that could catch on rocks and roots Tucked safely inside an enclosed space the battery won’t budge even in rough terrain while remaining easily removable for charging Solid pulley and shielded pulley teeth prevent trail debris from jamming up your flow
| Largest Cog | 51 |
| Rear Der/Shifter Compatibility | Shimano Mountain Di2 |
| Rear Derailleur Mount Type | Shimano Rear Direct Mount |
| Drivetrain Speeds | 12 |
| Chain Wrap Capacity (teeth) | 41 |
| Cage Length | Long |
| Color | Black/Gray |
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