by Jon Tirrell Mount Zion Offroad Staff Writer Axle gear ratio is an important factor to consider when upgrading tires on a vehicle. This ratio refers to the number of times the driveshaft must turn to complete one full rotation of the axle shaft (for example, 3.55 to 1). The correct axle gear ... Read more about Bigger tires? Here’s What You Need to Know About Re-Gearing