SRAM XX1 Rear Derailleur - 11 Speed Medium Cage Black/Red CheckoutTitle=SRAM DB8 Disc Brake Caliper - Mineral Oil Caliper Records riding data and transmits

Records riding data and transmits to the eBike Connect app and can be connected to a heart rate monitor keeping accurate stats on your progression

The overall Y-Shape offers freedom of movement and legroom are maximized while at the same time all bone structures are supported

Hook and loop fasteners suitable for frame diameter of max

BB Shell Width (mm) 86 BB/Frame Interface BB86 BB/Frame Interface BB89

SRAM XX1 Rear Derailleur - 11 Speed Medium Cage Black/Red CheckoutTitle=SRAM DB8 Disc Brake Caliper - Mineral Oil Caliper Records riding data and transmitsSRAM XX1 Rear Derailleur 11 Speed Medium Cage Black Red. Professional grade derailleur built with carbon fiber and aluminum featuring roller clutch pulley cage and cage lock feature for easy wheel installation. Wide tooth narrow tooth pulley wheel maximizes chain control by fitting inner and outer chain links perfectly X Horizon design maintains constant chain gap across all gears and eliminates ghost shifting Roller bearing clutch eliminates