Tehnical Calculators
The calculators below are to assist you in determining an appropriate ratio. These measurements are intended to be a guideline only. Exact results of combining equipment may vary from the estimates provided in this form.
Gear Ratio
Tire Diameter
Tires, Gear Ratio, Speed & RPM
Fill in three of the values, and the empty value will be calculated for you.
this is for transmissions in direct drive, with a ratio of 1:1
