* An evolutionary step in bicycle security, Gravity Line harnessesthe power of gravity to prevent the removal of wheels* When the bike is upright, the WheelBoltz are locked and can only beunlocked with the bike turned upside down* Easy to install. No special keys required (5mm hex wrench included)* Industry standard axle lengths of 130mm (front) and 150mm (back)* 120g per set

Model Number: ="001751"