* Revolutionary disc brake specific, aerodynamic, carbon fiber triathlon and time trial wheelset.* With no braking surface, the rim can be made more aerodynamically efficient and impact resistant.* Patented SES rim curvature has been optimized for disc brakes. * Tubeless compatible and can also be run with standard inner tubes and tires. * Aerodynamically optimized around fast rolling 25mm tires.* Centerlock hubs do not include rotors