SRAM Red eTap AXS Rear Derailleur 12 Speed Medium Cage model sutra Roval Rapide CL 40 Carbon Roval Rapide CL 40 Carbon Tubular Wheelset and Quick Start Guide For use with mechanical rim brakes The SRAM RED eTap AXS brake shift levers seamlessly connect you with your bike by offering classic eTap shift logic with an updated ability to connect and personalize through the SRAM AXS app The RED eTap AXS front derailleur features classic SRAM Yaw trimless cage technology with an optimized cage profile for SRAM Red front chainring combinations Battery placement on the front derailleur is streamlined to allow for more rear tire clearance The RED eTap AXS rear derailleur features Orbit chain management technology to keep the drivetrain quiet and secure SRAM Red eTap AXS Rear Derailleur 12 Speed Medium Cage