Yamaha SR - Rear Brake Bracket - Stainless Steel Stainless steel bracket for the rear drum brake for all Yamaha SR $22.50 Unfortunately this product is currently out of stock. Please contact us for more information. This is a polished stainless steel rear drum brake arm bracket to fit all SR400, SR500 and SR400FI. Can be used with the original swingarm or one of our aluminium swingarms. There are 315mm between the mounting holes.