Description Reviews NM Engineering's 22mm Solid Rear Sway Bar is guaranteed to make your MINI more go-kart-like. With additional rear roll stiffness and 3-position adjustability, installation of the bar produces significantly more neutral handling characteristics. The 22mm is the best option for all MINI Cooper S's! Included are new aerospace-spec 7075 CNC machined hard anodized bushing brackets for added durability. The billet brackets also feature grease fittings which allow users to grease the bushings with ease. The Bushings feature low resistance and are graphite impregnated urethane for long life. The bar also has machined ends and glossy powder coat finish in NM Blue.