Using identical rims to the Ultimate series, with more cost efficient DT Swiss hubs and spokes, the HADRON² Classic deliver the highest performance, value for money aero wheels on the market. Tubeless ready, hooked construction, designed to deliver the optimum balance of rolling resistance and aero performance for 25mm & 28mm tyres. Rim depths from 50mm to 80mm. Unmatched Swiss quality manufactured in collaboration with DT Swiss. UCI approved.