Bicycles that can be mounted are limited to those with 660 mm or less from the front wheel axle to the upper end of the handlebar, 1450 mm or less from the rear end of the rear wheel, handle width 650 mm or less, wheel diameter 24-28 inches, front wheel quick release hub, and overlock nut 100 mm ( Even within the numerical value, it may not be possible to install it depending on the type of bicycle) It is necessary to remove the front wheel and tie down. You may need to remove the saddle. Cannot be attached with cargo mats, cargo tray mats, and cargo boxes.