What about spare wheels?
The return of wheels only applies to the category of U17 (M/F). Riders with a bib number ending in 0 or 3 hand in a front wheel. The riders with a bib number ending in 5 or 8 hand in a rear wheel.
Brake rotors have a diameter of 160 for a front wheel and a diameter of 140 for a rear wheel. Rear wheels must be equipped with at least a 10-speed cassette with at least 10 complete sprockets. The pinion must also be fitted with an original washer and intermediate rings. This is to prevent the wheels from being unusable by other participants. Competitors returning a rear wheel must ensure that the washer has the following number of teeth:
U17 (M/F) (52×16) 16 teeth washer
