The modified Sport Rider 2 will fit 2 ElliptiGOs or 1 ElliptiGO and 1 other type of bike. Remove the front wheel, then place the bike so the rear wheel is in the u-shaped wheel holder and lock the fork to the fork mount. The fork mount secures the bike to the rack and also includes Velcro wheel straps, folds easily when not in use. Fits both 1 ¼” and 2” hitches.BR>