Calculate Tire Combinations (Graphic)

LX1049989-UN-22JUL11

I - Ratio of the Front-Wheel Drive Gear Pair

A1 - Rolling Circumference of Front Tires

A2 - Rolling Circumference of Rear Tires

I1 - Rear Axle Ratio

I2 - Overall Ratio of Front-Wheel Drive Axle

I3 - Ratio of Differential

This illustration shows the relationship of components for calculating the transmission ratio.