Originally Posted by R600DuraAce

I don't think so. An average typical speed on a single stage of the Tour is about 28 mph. To reach this speed, you have to be pedaling on a 53 x 15 or 14 gear ratio at a relatively fast cadence. This is not your typical recreational cyclist riding style. <cough> On a TT, the typical average speed is 30 mph +. The pros use a 56tooth ring. I am too humble to compare myself with the pros.