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Old 02-18-19, 12:37 PM
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avole
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Originally Posted by Iride01
Which is clearly marked on the old tyres? the 37-349, the 16 x 1 3/8 or both measurements? The ETRTO is the only one that will tell you for certain if the tires are made for a rim with the same BSD. There are at least three other possible BSD sizes that might be possible for a tire with 16 x 1 3/8 proudly shown on its carcass. 337mm, 335mm, 317mm. Though I don't know which may or may not have been produced in the last 20 years.
Yes, I was aware of that, checked, and that's why I quoted ETRTO to begin with. Yes, that's partly how I measured, but it was an approximation, given that the new have some flash, and I can't check for exactness of the circle, though it didn't seem more than 2mm out. 2mm on a bike tyre is a lot. I did get one tyre on, by the way, but inner tube protruding from the sidewall didn't promise any great longevity
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