Motorcycle Sprocket Size Calculator

Select current size of front/rear sprockets (or use the OEM lookup below) and then select the new sizes.

Front Rear Ratio Torque Speed

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and are glad that you find this site helpful.

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© 2009-2012 Mark Goodall

This easy to use Sprocket Calculator will help you determine the effect that different sprockets and gears will have on your motorbike
and help you calculate the best sprocket sizes for your riding.