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Old 06-11-2013, 01:28 PM
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RJ999 RJ999 is offline
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Funny you actually do about 3-5 km/hr less when the speedo is reading 100 when you switch to 18" 235 40s or 245 40s.... with 45s its even worse.

Quote:
Originally Posted by thehowlfactor View Post
Use this and it will calculate the difference. Rolling diameter calculator
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