None i took the pedals from here:http://www.openclipart.org/detail/18072 i took the pedals from here:http://www.openclipart.org/detail/18072 一輪車ライン アート
gammillian's unicycle with switched pedals, air valve, and anatomically correct spokes 一輪車 輸送 代替スポーツ 一輪車