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Old 05-14-2012, 08:04 AM
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Doc Sprocket Doc Sprocket is offline
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Here's a quick rule of thumb. Measure the total diameter of your tires. Let's say they measure 12". Now, add 10 % (1.2"), so you're fairly safe going to a tire that measures 13.2". This is of course assuming your gear ratio is appropriate in the first place.
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