| Also known as | W1635 |
| Diagram | Fig. 18 — REAR WHEEL · ref 36 |
| Subsystem | wheels |
| Listed in parts books | 1965–1970, 1974 |
Grease retainer
A grease retainer for the Triumph rear wheel hub, part number 37-1635.
This is a grease retainer for the rear wheel, listed under Triumph part number 37-1635 (also seen as W1635 in older parts books). It shows up in the rear wheel figures, including the quickly-detachable rear wheel setups, so it's a piece that lives in the hub area where the bearings need to be kept clean and greased properly.
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A grease retainer's job is straightforward: it keeps grease where it belongs and keeps it from migrating onto the brake shoes or out past the hub seal. On a wheel that gets taken on and off regularly, like the QD rear hub, having this piece in good shape matters for keeping the brake dry and the bearing lubricated.
Our catalog shows this part appearing across rear wheel and QD rear wheel figures from 1965 into 1974. If you're rebuilding a rear hub, it's worth checking this along with the bearings and seals while everything's apart.
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