Sorry I should have made it more explicit. I think It's probably plain gauge 531 looking at the reynolds decal on the frame as there is no mention of butted. Which I believe (and could be wrong) was 26.4 diameter tubing, compared to the DB tubing which is commonly 27.2.
Hi plus_one,
Sorry I should have made it more explicit. I think It's probably plain gauge 531 looking at the reynolds decal on the frame as there is no mention of butted. Which I believe (and could be wrong) was 26.4 diameter tubing, compared to the DB tubing which is commonly 27.2.