Secure your wheels and seat with these locking quick release wheel skewers and seat binder bolt. Designed to replace your existing wheel and seat quick release levers, this set acts as an extra deterrent to thieves, as the need for a tool is often enough to discourage casual theft of wheel. The Trans-X security skewer set features a special 5 sided allen key, that screws into the end of the skewers to remove or install the wheels or seat whenever necessary.