You do it for the love, you do it for the fitness, you do it for the challenge, you do it to feel that inimitable endorphin rush, to get that feeling you just can't put into words, but more than anything you do it to win.

Kronos, the most advanced aerodynamic helmet in the world. Fulfill your aerotic fantasies, and win the race while you're at it.

Dolan, three decades of designing championship bikes.

Arc, ridden to countless victories on the track and considered by top pros as their bike of choice.

Pictured at right: Roberto Chiappa takes the sprint race at the World Cup Jan. 20 2008 in L.A.

Another victory on the Arc.