ENVE INNERDRIVE CL Rear Disc Hub Rear 24H 12mm TA 142mm SRAM XD-R BlackThe first generation ENVE road hubs successfully addressed many of the shortcomings of current bicycle hub designs. Four years later, we are proud to introduce the ENVE INNERDRIVE System, an all new, 100% ENVE drive mechanism shrouded in an all new premium straight pull hubshell to further enhance performance and the ride experience. Hubshell geometry refinement Oversized ratchets 60t stock rachet, w 40t, 80t, and 100t options Retained ratchets and