![atv tire aspect ratio calculator atv tire aspect ratio calculator](https://x-engineer.org/wp-content/uploads/2016/12/Tire-size-and-aspect-ratio.jpg)
Enter the values on the left and press Compute. As a rule of thumb, motorcycle sprockets are measured by the number of teeth they have, and the larger the sprocket, the more teeth it has on its outer edge. (.12 X 38" = 4.56) The below table can be used to get a rough idea on gear ratios. Just type in your tire size, aspect ratio, diameter, old gear ratio and it will calculate it for you. Just type in your info (example: 5000 RPM), press calculate, and youll get the right ratio without the guesswork. the base diameter or radius of both input and output gears. Rod Stroke Ratio - Stroke Size Rear Gear Requirements - Rear End Gear Ratio Needed - Speed from RPM, Rear & Trans. For example, if the pinion gear has 41 teeth, and the ring gear has 11 teeth, the ratio would be calculated as 41/11, which is 10:34 PM. This is a gear ratio calculator designed to help our customers decide on the best transmission and differential choice for their purposes. Find out your stock front sprockets number of teeth (12,13,14 etc), enter it in drive sprocket teeth box. The gear ratio most interesting to 4x4 truck owners is the ratio between the driveshaft and axles - the differential gear ratio or axle gear ratio. Final Drive How Ratio Affects Vehicle Performance Carbiketech. The left side of the calculator requires all three entries. If you have any difficulty downloading one of the above applications, please email Kelly at and request either the Snow or ATV Gear Ratios for these gears.