The Bike portion of a triathlon is the only leg of the race that depends on a machine to make you faster. The only part of the race where you can actually purchase speed!! And if you're the person on the tri bike yelling "left" for 112 miles, you know what we're talking about. At Ironman360.com, our trained professionals have the expertise to build you a triathlon bike that works like a rocketship. And they will fit you perfectly using our motion capture Retül® fit system. This is the same system that was used by Craig Alexander for the Ford Ironman® World Championship. But remember, it is still up to you to supply the engine!! Get all of your triathlon supplies, triathlon equipment, and aero accessories from Ironman360.com and customize your race machine today!!