Locking ring various wheels BSA / Triumph, 26Tpi. Outside diameter: 49.03mm
A7, A10, B31, B33 – 7-inch full-width cast iron rear hub – 1958 to 1963.
A50, A65 – TLS Alloy front hub – 1968
A50, A65 – TLS Alloy front hub – 1969/70
B44 – Full-width front hub – 1967
B44SS – Full-width front hub – 1969/70
Part Number: 42-6335