Locks your through axle wheel Replaces Allen key and Quick release through axles Easy one-time installation Coded key to install, lock and unlock Precision made for consistent function and long life Online key replacement and lifetime replacement warranty We will key the items in a cart to the same key unless otherwise directed. Please note that the Solid Axle/Through Axle line, Quick Release product line, and M12 nuts use different keys from each other and cannot be keyed the same. Keys will be matched between items of the same line where possible.