Chassis, heel and brake master cylinder protection set x 2 You know this area down in the frame were you always see wear and tear due to the friction of the shows with the frame. Well, this set is there to reduce this contact with the frame. Your shoes will rest on it. But it also, protect your exposed brake master cylinder. This part from MyTech is more extended to include the lower part of the master cylinder, which is more what you get from other comparable parts in the market. Made from anodized 3 mm aluminum plate makes it very strong and lightweight.ADD COLORS: available in four colors: blue, red, silver/gray and black.