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Wednesday 19 November 2008 @ 1:56 PM

Welcome to Ratio gear calculator (Version 1.1 beta). The aim of this calculator is help you calculate your speed through the gears if you change you sprocket sizes or rear tyre size. Enter ALL figures in the fields below from the owners handbook. Example tyre size shown below is for 190/50-17 in the next release, I am hoping to add some graphs and calculate some mods like changing the rear exhaust or adding a power commander etc. Primary Drive Ratio: 1st gear ratio:   2nd gear ratio:   3rd gear ratio: 4th gear ratio:   5th gear ratio:   6th gear ratio:   Front Sprocket Teeth:   Rear Sprocket Teeth:   Tyre Width:   Tyre Depth:   Wheel Rim Size:   Engine Minimum RPM:   Engine Maximum RPM: Change_Down_RPM:   Change_Up_RPM:   Maximum_Power_RPM:

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