Brand new rear ready to CHROME PAINT WM20/M21/M33 1940-51 mudguard. This rear BSA replica mudguard is made from high quality metal sheet which is raw and ready to chrome or paint. This mudguard is hand made and can be fitted to all BSA M20/M21/M33 bikes. This mudguard is replacement to PART NUMBER :- 66-6835 (rear mudguard). Please check the measurements shown below before buying these mudguards. These can also be fitted on other models of BSA bikes. Please do get instore for front & rear number plates of BSA bikes.