Complete ‘Tommy Bar’ preload adjuster kit. Upgrade from the old design Maxton ‘Locking Ring’ system to the easy adjusting Tommy Bar System. Takes seconds to change the preload. There is nothing to loosen or tighten, simply insert the Tommy Bar into the ring and drive the ring around. Kit includes Preload Ring Spring Retainer, Tommy Bar, M6 Grub Screws and 6.0mm Nylon Balls.