I think I've solved the problem - user error. I sprayed Rhino Shine onto the bike after a wet ride, and, of course onto the seat post. Took the seat post out, cleaned it and the seat tube insert, and all's well so far.
@Ste_S started
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I think I've solved the problem - user error. I sprayed Rhino Shine onto the bike after a wet ride, and, of course onto the seat post. Took the seat post out, cleaned it and the seat tube insert, and all's well so far.