37-3880 - Triumph BSA 650 750 Conical Hub Rear Brake Lever Return Spring 1971-72 W3880

UK made replacement rear brake lever return spring as fitted to 1971-72 Triumph and BSA twins and triples with conical hub drum brakes. 

Note: these are correct only for the conical hub brakes with the lever pointed downward, we also stock the spring for the upward lever, PN# 37-4049