Rear Brake Rod Adjuster Nut, for use on BSA models: A50, A65, B25, B40, B31, M20, M21, C10, C11, C11G, C12, C15, C25. Bantam models: D7, D10, D14 & B175. Triumph models: TR25W.
O.E.M: 90-7029 / 29-7368 / 82-9039 / F9039.