I don't actually know what the tubing on my track iron is, but I suspect it's 531c, as it's super light and beautiful to ride. I think it is nicer than 753. Couldn't tell you why though.
@bq started
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I don't actually know what the tubing on my track iron is, but I suspect it's 531c, as it's super light and beautiful to ride. I think it is nicer than 753. Couldn't tell you why though.