Developed in the specialized wind tunnel the s works aerofly saves 17 seconds over a 40km distance versus a traditional shallow bend road bar this time saving comes from the distinct aero shape reduced tape on the tops and full internal cable routingfact carbon construction delivers a light weight stiff and aerodynamic designuci legal compatible with shimano sram and campagnolo controlsoptimized for internal brake and shifter cables electronic compatiblefinish unidirectional gloss carbon