Thin Locknut, for use on BSA models: Bantam D1 - D14, A7, A10, A50, A65, B25, C25, C15, C10, C11, C11G, C12, B44, B31, B32, B33, B34. Triumph models: TR25W.
O.E.M: 24-6040 / 70-8133 / 70-8087 / E8133 / E8087
Supplied: Singles
Thread: 5/16" x 26 TPI
Note: Thickness: 3.2mm