Bicycles that can be mounted are limited to those with 700 mm or less from the front wheel axle to the upper end of the handlebar / 1400 mm or less from the rear end of the rear wheel, handle width 700 mm or less, wheel diameter 24-28 inches, front wheel quick release hub, overlock nut 100 mm (numerical value). Even inside, 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.