For the Dutch olympic BMX team, IDbike has equipped 2 BMX bicycles with the TMM sensor data aquisition system. With this system, the olympic riders were able to evaluate and improve their start performance.  A good start is very important in BMX competition. The rider which which is ahead of the pack after the first 10 meters will almost certainly win the race.

A second  bike was equipped with a derailleur shift system, with 2 gears, the first for the maximal acceleration at the start, and another for optimal speed on the track:

This bike also was equipped with a TMM sensor to measure the influence of the derailleur system.