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Vice and emery tape
Vice and emery tape
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@BobbyBriggs
I have a rechromed seatpost on my old tandem (it's one of those old style 1930s "7" shaped posts, so it's not easy to simply replace it with another one, plus the diameter is weird).
The trouble is, following the chroming process, the diameter of the bottom few cm of the post is about 0.4mm thicker than that further up (reason being that obviously this part hadn't corroded so required less polishing during the rechroming process), with the result that it is now slightly too thick for the seat tube.
Any suggestions as to what to use to bring this thickness down - hold it in a vice and use one of those leather straps for knives for example? I'm not going to take it back to the chromers as they're miles away and its just a little job (which they're likely to fuck up).