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
