Shimano Deore XT RD-M8250-GS Di2 Wireless Rear Derailleur – 12-Speed Medium Cage Shadow ES Black/GrayOptimized for impact survivability the 12-speed XT RD-M8250 medium cage rear derailleur is the top choice for everyday trail riding offering unmatched durability quick precise shifts and added weight savings when paired with the 9-45t compact cassette (cassette sold separately). Featuring all-new wireless Di2 shifting automatic impact recovery a 500% gear range and 23 millimeters of additional ground clearance for a bash-free ride the M8250 rear derailleur is built to be relentlessly reliable so you are free to focus solely on the trail ahead.

• Di2 technology results in precise and clean wireless shifting
• Pinpoint ultra-fast shifting and a no-sacrifice 500% 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 derailleurs front-facing surface area and eliminates edges that could catch on rocks and roots
• Tucked safely inside an enclosed space the battery wont 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

• TECH SPECS

Largest Cog: 45t

Rear Der/Shifter Compatibility: Shimano Mountain Di2

Rear Derailleur Mount Type:Standard

Drivetrain Speeds: 12

Chain Wrap Capacity: 36

Cage Length: Medium

Color: Black/Gray