Replace your old and damaged gear box sprocket nut with this quality English made part. This part replaces Triumph part number 57-0440, T0440 and T440. Manufactured from high tensile steel unlike others on the market. This nut threads on to your high gear to secure your transmission sprocket.
Fits Triumph 650 pre-unit twins (Bonneville, T120R, Tiger, TR6, T110, 6T, etc) from approx 1938-1962. Also fits Triumph 500 pre-unit twins up to approx 1956.
Please note that this nut is suited for Triumph pre-unit twins...
- Made in England
- Replaces part number 57-0440, T0440 and T440