Shimano XTR M9250 Di2 Wireless Upgrade Kit - Includes M9250-GS Rear Derailleur M9250-R Shifter Battery Charger Quick Link CheckoutSpec= Rival Disc Brake Pads - Pro Compound Features a common 3/8" square

Features a common 3/8" square drive like the rest of our socket range and also has a hexagonal exterior so you can mount them in a vise and use the crank arm as the lever if so desired

"VV" type 2-lip non-contact Silicone labyrinth seals

Color Gold Half Link Chain No Drivetrain Speeds 10 Defined Color Gold Links (links) 116 Weight 273 Chain Connection Type Reusable Master Link Width 5

Stroller wheels pushes easily

Shimano XTR M9250 Di2 Wireless Upgrade Kit - Includes M9250-GS Rear Derailleur M9250-R Shifter Battery Charger Quick Link CheckoutSpec= Rival Disc Brake Pads - Pro Compound Features a common 3/8" squareRobust. 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