Bicycle Wheel Diameter Calculator

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.

Bicycle wheel diameter calculator. X just means multiplied by. Most lists the tire size both english french and german targets and rim circumference in millimeters. This indicates the wheel is 26 and the tire is 2 2 wide. 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.

700 is the nominal diameter of your tire measured in millimeters. 40 is the second number and is the nominal tire width also measure 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. The venerable sheldon brown has a gear calculator that uses a different method to determine wheel size.

Wheels are categorized in size by their primary use for road cycling off road. The wheel size is the measurement of the diameter of the wheel with a mounted tire. 6is set weight 1490 g rim type clincher rim material carbon rim depth 45mm internal rim width 17mm external rim width 27mm etrto 622 17c recommended tire size 23 45mm spoke count front 24h rear 24h release system ta12 f. Measure your bicycle wheel and tire size with table.

142mm thanks in advance. 700x40c is the measurement of your bicycle tire and is sized according to what used to be known as the french system. Vardar db hub forza 7 beaufort db brake type disc brake. To calculate your bike frame size take your inseam in centimeters and multiply it by 0 575 for mountain bikes 0 665 for road bikes and 0 645 for trekking bikes.

If you need to convert your measurements to inches divide them by 2 54.