| Also known as | W1639 |
| Diagram | Fig. 19 — FRONT WHEEL · ref 19 |
| Subsystem | wheels |
| Listed in parts books | 1965–1968 |
Fulcrum pin
Front brake fulcrum pin for 6T, T120, and TR6 front wheel assemblies, PN 37-1639.
This is the fulcrum pin for the front brake, listed under 37-1639 (also seen as W1639 in older references). It shows up in the front wheel figures for 6T and T120 as well as TR6 and U.S.A. T120 models, which places it right at the front brake plate where the brake shoes pivot.
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A fulcrum pin is what the brake shoe pivots against inside the drum. It takes the load every time the brake is applied, so wear here can affect how the shoe seats and how the brake feels at the lever.
Our catalog data on this one covers the mid-60s front brake setup on those models. If you're not sure which front brake assembly your bike carries, give us a call before ordering so we can confirm it matches your plate.
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