Campagnolo Bora WTO 45 Front Wheel - 700c QR x 100mm Rim Brake 2-Way Fit Dark LabelCampagnolo BORA WTO 45 Front Wheel 700c QR x 100mm Rim Brake 2 Way Fit Dark Label. 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 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. USB cup and cone bearing system guarantees smoothness in the ceramic