Riders must state the age group in which they are entering for each artistic event in which they participate. Professionals age 14 or younger may enter Jr. Expert or Expert. This applies only to Individual and Pairs Freestyle. There are no limitations on wheel or crank arm size. All routines will be accompanied by background music.
Music has no influence on the score.
If a competitor wishes for a certain piece of music to be played during his or her performance it is up to him or her to provide a standard cassette tape. See also section 3.18 . Clothing has no influence on the score. Riders are encouraged to dress in the uniform of their national teams or clubs, or in clothing that represents their teams, groups or countries. No props .