I've tried a Campagnolo British cup as it was not as wide as the DA cup but no joy. Please help
I'm by no means an expert on such things (or anything else), but I suspect the answer is to do with "thick" and "thin" cups.
Older frames tended to have less thread cut into the shell.
@Scilly.Suffolk started
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I've tried a Campagnolo British cup as it was not as wide as the DA cup but no joy. Please help