Campagnolo Bora WTO 33 Wheelset - 28" | Carbon | 2-Way Fit - QR 100/130 - HG-EV | Bright The family of carbon aero wheels is further enhanced with the Bora WTO featuring a 33 mm profile, designed to appeal to a broader customer base. The design of the rim enables maximum aerodynamic penetration, and at certain angles, the wind can actually become a valuable ally to the rider. Aerodynamic aluminium rims and hubs and ceramic USB cup-and-cone bearing system in the hubs themselves: every design choice has been made with a view to optimizing performance.