Motorcycle Sprocket Size/Ratio Calculator

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If you don't see your bike in our list and would
like it included, please send us an email.

You will need to provide all your bike's stock information.

Please include your bike's
  • manufacturer
  • model
  • year
  • stock front sprocket size
  • stock rear sprocket size
  • stock chain length
  • request@sprocketcalculator.com

    Please don't send your non-stock information
    because it won't really help anyone else.

    If you can't find your bike in our list,
    you can calculate using your current sizes.

    Just click Calculate
    and enter your information
    directly into the calculator.

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