Formular for top speed from gear ratio

LittleWhiteWagon

1,500 RPM
Senior Member
Oct 12, 2009
1,656
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P.J
I currently looking for a solution to calculate top speed from gear box given rpm, gear ratio and final drive.
Anyone have idea on the formula to perform the calculation?
:adore:
I've only got it in MPH if its ok for you.

MPH= RPM x tire diameter over Transmission gear ration x final drive ratio x 336.

Good luck! I got this from a magazine haha :burnout:
 

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