Shimano XTR M9250 Di2 Wireless Upgrade Kit - Includes M9250-GS Rear Derailleur M9250-R Shifter Battery Charger Quick Link Model=110 BCD Chainring Carbon fiber reinforced thermoplastic for

Carbon fiber reinforced thermoplastic for lightweight and durability

5mm Color Silver Type Asymmetrical Axle Standard DUB

6mmx24tpi Width 68/73mm Color Black Shell Type BSA

Tubeless-Ready with Addix compound giving you optimal grip

Shimano XTR M9250 Di2 Wireless Upgrade Kit - Includes M9250-GS Rear Derailleur M9250-R Shifter Battery Charger Quick Link Model=110 BCD Chainring Carbon fiber reinforced thermoplastic forRobust. 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