For any competitive cyclist, to train on the road is to accept the risk of serious injury, because of the twin hazards of vehicle traffic and speed. A multitude of orthopaedic injuries occurs with high-speed accidents, but of most concern are head injuries. Because of fatal injuries during competitive cycling, the compulsory use of helmets has been in place for a number of years at the Tour de France, except for the finishing climb in the mountain stages. In Australia,…