The CTX40 was crafted with the same balanced design as our road wheels, but with the ability to withstand the most extreme 'cross conditions. Carbon tubulars are the premium race weapon, offering the lightest, smoothest, and fastest wheel set option. Alto Velo tubulars are the most balanced wheels on the market: designed to accelerate quickly, roll as smooth as silk, and inspire confidence through corners. You'll find authentic ABEC5 Enduro LLB Angular Contact sealed bearings in our cyclocross wheels, designed for an increased lifespan in the wettest conditions! Proven race wheels, built to deliver you to the finish line first.