Triumph Pre-Unit Twins Gear Box Sprocket Nut (1) 57-0440 70-4587 Measures 7 1/2" in total

Measures 7 1/2" in total length and the handle measures 5"

Fits Triumph 650 & 750 OIF Twins (Bonneville

Comes with a lovely chrome finish and a durable build quality

*****Always check your parts book to ensure the best fitment*****

**Important Info**

Triumph Pre-Unit Twins Gear Box Sprocket Nut (1) 57-0440 70-4587 Measures 7 1/2" in totalReplace 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.