Dirt Bike Tire Size Chart
But when as soon the manufacturers turned their face to the metric system for describing their dirt bike tire sizes things became complex like programming languages.
Dirt bike tire size chart. Finally the last figure is in inches and refers to the rim. This tire fits a 21 inch rim. Our tire sizes explained guide shows what the tire size numbers mean and why they are important.
In this case 90 of 90 81 therefore 81mm sidewall height. The second figure is a percentage of the width. Some of the popular sizes are of 8 inches 9 inches 10 11 12 13 14 inches up to 21 inch tires.
There are different sizes of dirt bikes tires available. This tire would have a 90mm width. They knew that a 4 50 5 00 x 18 tire was best for a 250 500cc machine while 4 00 x 18 was best for a 250cc machine and a 3 50 3 75 x 18 tire was best for a 125cc two stroke.
Example 2 of a dirt bike tire sizes. Dirt bike atv utv snowmobile helmets apparel. All the main manufacturers make dirt bikes of all sizes particularly for beginners.
Back when most dirt bike tire sizes were displayed in inches for both the width and diameter it was easy peasy. What if we were looking to buy a 90 90 21 front tire for our dirt bike. You would easily estimate that you require 4 50 5 00 x 18 tire if you own a dirt bike featuring 250cc to 500cc and 3 50 3 75 x 18 for 125cc 2 stroke.
Dennis kirk has everything you need to learn about tire sizes.