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Old 11-26-18, 02:29 PM
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non-fixie 
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Originally Posted by noglider
The first spec printed on your sidewall is the ETRTO one. In theory, the width spec is not actual width but distance between beads (when the tire is flattened out) divided by 2.5. That might be the most accurate you will get.
Thanks, Tom. I didn't know that.
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