Built to make watt count, the Z20 Aero delivers uncompromising performance, fit, and comfort. Developed with the attacking rider in mind, the Z20 Aero retains all of the innovation found in our Z20, and make it faster. If you are the one pulling the lead0out train, racing flat out in a criterium, or sprinting to the line at the end of a stage, the Z20 Aero was made for you.