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tire size

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is 3.00 -21 front tire = to 90/90-21 or 100/90- 21 .I never have been able to figure it out.:)

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Direct conversion would make that about a 76-77 mm wide tire, some bike tire manufacturers have conversion charts on their websites

Sorry can't help you with mentioning which ones.

According to what I found in the DennisKirk catalogue, that would be a 80-90-21

3.25= 90-90-21

3.50= 90-100-21

I may be reading it wrong, but that's about the gist of it

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I guess i'll put it on and ride it. whats a little width going to change.

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