Large area fit and clamps, fold designs, easy to carry and store Make from 304 stainless steels and aluminum alloys, not rusts, high elastics Light weight hollows designs, frosted polishing, and anodized The distance between the disc brake gaps piece and the disc can keep consistent and completely parallel to the left and right to ensures that movement of the calipers pistons is symmetrical to avoid the disc Note: Keep the adjusting plate and the disc clean during operate and use, and do not contaminate the greases, otherwise it may cause abnormal brake noise