The 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 INNERDRIVEâ„¢ 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 spoke crossing Premium stainless-steel bearings Lighter weight Attributes Axle Type 12mm TA Hub Drilling 24H Hub Spacing 100mm Hub Spoke Type Straight Pull Hub Weight 109g Position Front Primary Color Black Rotor Mount Center Lock Skewers Included No