ENVE INNERDRIVE CL Front Disc Hub Front 24H 12mm TA 100mm 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 Anti twist spoke holes straight pull only One spoke length per wheel Silent non contact