Motorcycle gear/rpm/speed calculator
(for the lack of better name)

Preset:    
Max RPM:    Tire Size: / /
Primary Drive Ratio:    Final Drive Ratio: / (front & rear sprocket tooth count)
1st Gear Ratio: /    2nd Gear Ratio: /
3rd Gear Ratio: /    4th Gear Ratio: /
5th Gear Ratio: /    6th Gear Ratio: /

 
1st
2nd
3rd
4th
5th
6th

Assumptions:
US Tire Circumference in inches     ( Width / 25.4 * Aspect Ratio / 100 + Rim Size / 2 ) * 2 * PI
Wheel revolutions per minute     RPM / Primary Drive Ratio * Gear Ratio / Final Drive Ratio
Speed in MPH     Wheel Revolutions per minute * Tire Circumference * 60 / 63360

Calculator by Janis Braslins. Feel free to use, copy, modify and do whatever you please with this :) If you have any questions or suggestions etc, please email me at: janis@bassdrive.com

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