Shimano XTR M9250 Di2 Wireless Upgrade Kit - Includes M9250-GS Rear Derailleur, M9250-R Shifter, Battery, Charger, tire-lever Steel striking face: 1-3/8" (35mm)

Steel striking face: 1-3/8" (35mm) diameter

with arms crafted from aluminum for lightweight durability

you need to buy a new switch with a removable wire (SW-E7000-L) with a wire length of at least 700mm

KS eTEN Dropper Seatpost Dropper Seatpost EAN: 4718287318669

e*thirteen Helix Race E*Spec AL Cranks eBike Crankset EAN: 4711280343720

Shimano XTR M9250 Di2 Wireless Upgrade Kit - Includes M9250-GS Rear Derailleur, M9250-R Shifter, Battery, Charger, tire-lever Steel striking face: 1-3/8" (35mm)Robust. 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