| Also known as | W1596 |
| Diagram | Fig. 21 — QUICKLY DETACHABLE REAR WHEEL (NOT U.S.A.) · ref 11 |
| Subsystem | wheels |
| Listed in parts books | 1965–1969 |
Dust cap
Dust cap for the quickly-detachable rear wheel hub, part number 37-1596.
This is the dust cap listed for the quickly-detachable rear wheel setup, part number 37-1596 (also seen as W1596 in older parts books). It shows up in the QD rear wheel figures across catalog listings running 1965 to 1969.
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A dust cap in this location keeps grit and road grime out of the hub area where the QD wheel spindle and bearing assembly live. It's a small, easy-to-overlook part, but on a QD rear wheel it's part of what keeps the works turning smoothly instead of grinding away at dirt.
If you're rebuilding a QD rear hub, this is worth checking against what's currently on the bike since wear and old grease can hide a cracked or missing cap. Confirm the fitment against your own wheel setup before ordering, since our record ties it to the QD rear wheel figures without pinning down a specific model year.
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