XTR RD-M9250-GS Di2 Wireless Rear Derailleur - 12-Speed, Medium Cage, Shadow ES, Black/Gray roof rack accessory Flashing) and a mode memory

Flashing) and a mode memory function

Designed to be used with Eagle 12-speed chains

complex foam core of precisely controlled density

When using either wrench opening

Made with a proprietary blend of 420 virgin stainless steel with high carbon content that provides better memory and friction

XTR RD-M9250-GS Di2 Wireless Rear Derailleur - 12-Speed, Medium Cage, Shadow ES, Black/Gray roof rack accessory Flashing) and a mode memoryOptimized for impact survivability, the 12 speed XTR RD M9250 medium cage rear derailleur is the choice for both Shimanos top enduro athletes and weight conscious XC racers alike, especially when matched with the 9 45t compact cassette (cassette sold separately). Featuring all new wireless Di2 shifting, automatic impact recovery, a redesigned wedge shape and 23 millimeters of additional ground clearance for a bash free ride, this rear derailleur