Hand layed carbon fiber wheel designed specifically for disc brakes Hand layed carbon fiber wheel designed specifically for disc brakes Spoke holes are formed rather than drilled for a more reliable and durable rim Every angle and edge of the hub has been rounded for improved aerodynamics and eliminate drag Rim Dynamic Balance technology incorporates a counterweight opposite the valve for a perfectly balanced wheel Uses an aluminum hub shell to keep weight to a minimum and employs USB ceramic bearings 24.2mm external width is designed to support 25 and 28mm tires perfectly Weights: 703g front / 806g rear