Triumph Unit Washer Gearbox Mainshaft 57-2240Â – Washer lock tab for gearbox mainshaft.
57-2240 is compatible with Triumph Unit 650 and 750 models, including T110, TR6, T120, and T140. It’s also used in Triumph twins and triples from 1969 onwards.
Key features:
- Function: Mainshaft locking and kickstart ratchet nut securing
- Material: Metal with tabs for locking
- Application: Gearbox and kickstart mechanism
The product images shown are for illustrative purposes only and may not be an exact representation of the product received. Manufacturers occasionally make minor cosmetic changes to items, such as color, finish, label, or design. These changes do not impact the item’s function or compatibility. Please contact us if you have specific concerns regarding appearance.









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