Description Reviews Helix is proud to announce the next evolution of their rear-adjustable control arms. They have always been proud of their rear control arms--the strongest and lightest on the market according to their website--which have proven to be a benchmark design for others to copy. They use the best heim joint spherical bearings available anywhere to produce a better-than-stock suspension piece. The only reservation that they have had in recommending them for daily driven cars has been that the bearings are made of hardened steel, which is not weather proof. This means that they require regular maintenance. They now offer improved control arms with boot sealed spherical bearings for daily driven cars. No longer must your MINI compromise between strength, weight and long-term weather durability. They also now powder coat the T6061 Aluminum rods with a durable crinkle finish black. The arms are shipped pre-adjusted to stock geometry settings and assembled with anti-seize. They encourage you to have a complete alignment done after install. The control arms are constructed of 6061 heat-treated aluminum for incredible strength and use premium Teflon-lined heim joints for long-lasting durability. With no rubber bushings, there is no mushy "give" under hard cornering. Unsprung weight is 50% lighter than stock! Fits all MINI's 2002-current R50/R52/R53/R56/R57/R58/R59/R60/R61 Note: Sold as a set of two.