Mountain Bike Tire Size Calculator. You can read about the different bike types here. Most lists the tire size both English, French and German targets and rim circumference in millimeters.
A third type of tire size might appear on either a mountain or a road tire: Mountain bike tyres are designed to take this extra stress but road tyres are not. For the most part, bike frame size is the only thing that changes when you go between sizes – things like wheel size, suspension, and relative geometry number remain the same. Don't miss the downhill mountain bike race this Saturday at Bousquet's Ski Area!
Mountain bike frame sizes are slightly different and the units used in bike sizes vary depending on type and brand.
We can still help you find the right frame size.
For standard hardtails, our mountain bike size chart should be a god send. Dirt bike tire sizes are most often expressed on the sidewall of the tire with a series of numbers separated by a slash mark ( / ) and then a dash behind the second number ( – ) before the final number, which corresponds to the rim diameter size. Street bike tires are commonly measured by in millimeters by Width / Aspect Ratio x Rim Diameter (inches).