| Diagram | Fig. 16 — REAR WHEEL · ref 30 |
| Subsystem | wheels |
| Listed in parts books | 1969–1970 |
BSA Adjuster end cap
A rear wheel chain adjuster end cap, part number 40-6040.
This is an adjuster end cap listed under part number 40-6040, shown in the rear wheel section of the parts books. It shows up across catalog listings from 1969 to 1970, tied to the chain adjuster hardware at the rear wheel.
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An end cap like this sits at the end of the chain adjuster assembly, giving the adjuster bolt a finished seat to work against as the wheel gets pulled back and forth to set chain tension. It's a small part, but if it's missing or worn out the adjuster can walk or bind up on you.
Our record on this one is brief - it doesn't tie the part to a specific model, so call the shop and we'll confirm fitment before you order.
We've never carried this one. Tell us what you're after and we'll go looking — you'll get a price and photos before you commit to anything.
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