SuperPro Polyurethane Bushings. This kit will improve your road holding by ensuring that the wheels go up and down in the manner intended by Triumph, a situation not sustainable with rubber components. Installing SuperPro Polyurethane Bushings will give you, Constant steering geometry, More responsive steering, Increased tyre life, Longer service life to suspension components, Better road handling and, controlAlignment correction and stability. For more information please visit www.superpro.eu.com, Kit Contents.