Thread: Questions about tires and wheels.......
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Old 04-16-12, 03:56 PM
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cyccommute 
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Originally Posted by ChowChow
http://www.sheldonbrown.com/tire-sizing.html#width

The chart shows what size tires fits what size rims. Scroll down to the red and green chart. On your rims, it should say 622x15 etc. The 15 is the rim size.
It may or may not say how wide the rim is. I seldom see a width measurement on rims.

Sheldon Brown's size ranges are very conservative on the upper end. I run XC717 rim on my mountain bike with 2.12" (55mm) tires mounted. That's way past what he says is possible. Of course, I run mine at low pressure to keep them from blowing off the rim. The lower end of his scale is okay, however.
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