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Old 10-01-11, 11:01 AM   #1
jr59
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Tire size?

I have a 85 trek 620 that is running 700 wheels and canti brakes.

I have 28's on it now, any idea how big of tire I can fit?

Dyad rims.

thanks
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Old 10-02-11, 12:47 PM   #2
ironwood
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Measure the distances between the fork blades and the seat and and chain stays at the point where the tires are widest. You'll need some room on either side of the tire, probably 8mm. Remember that the width of the tire stamped on the tire and the actual width might vary.
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Old 10-02-11, 12:55 PM   #3
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I just sold one...AT LEAST 32s.
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Old 10-02-11, 01:38 PM   #4
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i had an 85 520, and 32s would have probably fit...but probably not 35s.
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