Shimano XTR M9250 Di2 Wireless Upgrade Kit - Includes M9250-GS Rear Derailleur M9250-IR I-SPEC EV Shifter Battery Charger Quick Link Model-CT1126XMN-U The number and letter refer

The number and letter refer to the mm offset and direction from the mounting face to the centerline of the teeth: For use with GXP cranks and BB30 Long Spindle standard 49mm chainline

Smooth classic flex promotes efficient kick over long tours

Hookless Compatible Flat Protection Tread and Sidewall Color Black/Brown Weight 580 Defined Color Brown ISO Width (mm) 35 ISO Diameter 622 / Road / 29" Tire Intended Use Cyclocross Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 35 Tire Type Tubeless Ready Clincher

Improved grip in wet conditions

Shimano XTR M9250 Di2 Wireless Upgrade Kit - Includes M9250-GS Rear Derailleur M9250-IR I-SPEC EV Shifter Battery Charger Quick Link Model-CT1126XMN-U The number and letter referRobust. Resilient. Ready for Anything The Shimano XTR Di2 12 Speed Upgrade Kit provides riders with the pinnacle of wireless MTB shifting technology. The kit features an all new XTR M9250 Di2 wireless rear derailleur that's optimized for impact survivability to make it the choice for both Shimano's top enduro athletes and weight conscious XC racers alike. With built in Automatic Impact Recovery an impact deflecting shape and simple covered pulley