SES 4.5 PRO wheels were designed for cyclists seeking the ultimate wheelset, where low weight, aerodynamics, and rolling efficiency meet. PRO-series product has been developed in direct collaboration with the world’s top racers and represents the pinnacle of innovation—engineered and built for race-winning performance. The core of the 4.5 PRO wheel is the PRO Hubset, which brings ENVE’s proven INNERDRIVE technology to an ultralight straight-pull hub shell. The INNERDRIVE PRO hub goes head to head with the lightest hubs out there without sacrificing the stiffness required by the world’s best.