Tire Width (mm): Tire Profile (%): Wheel Diameter (inches): Maximum Engine RPM: Gear Ratio (format numerator/denominator, e.g. 17/77):

Gear Ratios

1st Gear (format numerator x denominator): 2nd Gear (format numerator x denominator): 3rd Gear (format numerator x denominator): 4th Gear (format numerator x denominator): 5th Gear (format numerator x denominator): Calculate Speed