| Listed in parts books | Not catalogued by year yet |
C/S SPROCKET 19T PREUNIT
A 19-tooth gearbox sprocket for pre-unit Triumph twins, also listed as SPR-PU19T.
This is a gearbox sprocket, 19 tooth, listed for pre-unit Triumph twins. The catalog also carries it under the number SPR-PU19T, so if you've seen it called that, it's the same piece.
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A gearbox (or countershaft) sprocket like this one is what the primary chain rides on before it hands power off to the clutch and engine sprocket. Tooth count matters here, since going up or down a tooth changes your overall gearing, so make sure the 19T count matches what your bike is set up to run.
We don't have more detail on this one beyond the tooth count and pre-unit designation. Call the shop and we'll confirm fitment before you order.
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