Deore XT RD-M8250-GS Di2 Wireless Rear Derailleur - 12-Speed, Medium Cage, Shadow ES, Black/Gray mountain helmets Only compatible with SRAM 11-speed

Only compatible with SRAM 11-speed eTap derailleurs (fits up to 32t cassettes)

HOLLOWTECH II hollow-forged crank maximizes power transfer while limiting weight

Synthetic upper which is fast-drying weather friendly

The Nimbus 2 Armadillo Reflect tire features our very best flat protection

Approximate weight: 140g (1/2 pair

Deore XT RD-M8250-GS Di2 Wireless Rear Derailleur - 12-Speed, Medium Cage, Shadow ES, Black/Gray mountain helmets Only compatible with SRAM 11-speedOptimized 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