Ethan Ackroyd

 

 

Kart Gear Ratio Calculator

 

Engine Gear

 

 

Axle Gear

 

 

Gear Ratio

 

 

 

 

Tyre Circumference

in / cm

RPM

 

 

Speed

 

 

mph / kph

Chain Length

 

 

 

 

 

  This calculator is a guide to aid you in setup.

 As a rough guide when using 219 pitch chains add the number of teeth of the engine sprocket and the number of teeth of the rear sprocket plus 10 to give you the required length of the chain.
eg: engine sprocket 12 + rear sprocket 82 +10 = 104
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