REAR BRAKE DISC (554) REAR BRAKE DISC (554) REAR BRAKE DISC (554) REAR BRAKE DISC £32.95 This item is out of stock, please send us your email address and we will give you an ETA of when the new stock is due in Another great product from MXPUK, REAR BREAK DISC 3.5MM THICK MXPUK Pro Series Rear Brake Disc for Motocross competition. With over 35 years of racing experience we have got quality designs, best materials and precision manufacturing to create factory racing parts for everyone. These rear Brake Disc's are constructed with high quality steel and heat treated surfaces are electro-statically coated to ensure the best long term apearance. Optimum shape with lightening holes to save on weight combined with improved uniform disc cooling and a brake pad cleaning effect. Tested to the highest standards on track and in the laboratory. Hard wearing and looks stunning on the bike.