Motorcycle Sprocket Size/Ratio Calculator

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I built this website to help fellow motorcycle mechanics and weekend warriors enhance their riding enjoyment by teaching how an easy change in sprocket size can change how your bike feels and rides.

It started out as a simple online sprocket sizing calculator, and is growing to include more information to help you tune your motorcycle.

If you have any ideas or comments, please reach out to me.

Mark Goodall

Support is needed
This website costs money out of my pocket to keep running.
If you're able to afford a donation, please consider supporting this website to help keep it running, especially for those less fortunately who couldn't afford it if it wasn't free.
Please contact if you're able: donate@sprocketcalculator.com

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