Find all your BSA electrical parts in the categories below. We stock Boyer Bransden ignitions, wiring harnesses, headlight buckets, brake and ignition switches and much more. Most parts will fit "traditional" BSA motorcycles which include the A50, A65, A7, A10, C15, B44, B25, B31 and many others from 1950's through the earl 1970's. Parts can also be found using a O.E.M. part number.