what size wheels are used in the tour de france
Tour de France Tech: Tires, Brakes, and Wheels. Take a closer look at the innovative gear that keeps the peloton rolling. Some of it could make its way to your bike soon. Most teams are using 25mm tiresâup to 30mm for stage fourâs cobblestonesâat this yearâs Tour, mirroring the general trend toward wider tires for all bikes.