See Trek KRX: http://ow.ly/J8CHc
Is your little racer is ready for a fast, lightweight, race-worthy ride? KRX is built to for real speed on the road for kids who are serious about taking riding performance to the next level. Fast on the roads and fit for a kids’ triathlon, KRX can easily convert to a cyclocross bike with a quick change of tires. The Alpha Aluminum frame inspired by Trek’s legendary Madone is lightweight and dialed for seriously fast fun.