Bike Tyre Size Calculator

28 1 15 8 28 1 1 or 700 32c which are all 32 622.

Bike tyre size calculator.

I ll calculate the best chainring cog combinations and. If you are unsure of your bicycle tire size you can look into a bicycle tire table where you can easily and simply find just the tires that fit your bike. Although they re familiar they can be very confusing. The calculator above is based on the iso etrto european tyre and rim technical organization tire size which specifies tire size as a tire width and rim circumference in mm.

I ll calculate the best chainring cog combinations and skid patches for your speed and cadence and what your speed will be at various cadences. The venerable sheldon brown has a gear calculator that uses a different method to determine wheel size. Sometimes you can t find any iso size on a tyre only the old school markings. This means that you can easily find the right tire size although it is a danish number.

His calculator uses an pre defined diameter for every rim tire combination and his diameters are almost always different than what the math would predict. Most lists the tire size both english french and german targets and rim circumference in millimeters. A iso tire size of 28 622 which of course is backwards b c it s european from how we would refer to a 700 x 28c tire has a tire width of 28 mm and a rim diameter of.