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New Merchandise

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TIRE SIZE CHANGE CALCULATOR

Can be used to find a new gear ratio.

Tire Size Change, find new differential ratio
New Tire Diameter:       
Old Tire Diameter:       
Current Gear Ratio:       

Actual Ratio

Hi Ratio:   
New Ratio:   
Lo Ratio:   

   
Calculators and Table used with permission from Mark I. Medina (www.4lo.com)
Gear Ratio | Tire Change | Metric Tire | Ring/Pinion | True MPH | Gear Ratio / Tire Size Table | Home

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