Shimano XTR M9250 Di2 Wireless Upgrade Kit - Includes M9250-GS Rear Derailleur M9250-R Shifter Battery Charger Quick Link 50C 37 BB/Frame Interface English BB

37 BB/Frame Interface English BB Shell Width (mm) 68 BB Shell Width (mm) 70 BB Shell Width (mm) 73 Weight 102 Spindle Interface Type SRAM DUB Defined Color Black

Compatible with Finish Line's 3

Gear ratio range of 177% (33% each step)

A pressure release button allows you to precisely get your desired air pressure with half-unit increments

1-3/8" ISO Width (mm) 33 Labeled Size 20 x 1-3/8 TPI 60 Tire Bead Wire Tire Diameter 20" Tire Intended Use BMX Tire Type Clincher Weight 255 Weight (oz) 8

Shimano XTR M9250 Di2 Wireless Upgrade Kit - Includes M9250-GS Rear Derailleur M9250-R Shifter Battery Charger Quick Link 50C 37 BB/Frame Interface English BBRobust. 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