The all new Stealth FCC 4.7 Track wheels were designed to be a lightweight wheelset specifically for the track. At a 47mm depth profile, this wheelset has great handling, and quick response and acceleration. Featuring the new aero bladed spokes offering unmatched performance and shock absorbing qualities to keep your wheels on the track. The FCC 4.7 Track wheels will give you a ride unlike any other wheelset. A real difference you can feel.