• Why are tires sometimes narrower than their listed size?

  In order to ensure that tires have sufficient frame clearance, tire manufacturers generally prefer to keep production closer to the lower end of the permitted tolerance (+/- 3 mm). Carcass casing materials have become more and more sophisticated over time. That reduces the tire widening after the fitting. Furthermore, inflation pressure also plays a major role. With maximum inflation pressure the tire becomes wider than with low pressure. And a recently fitted tire still widens over time. This cFew readers

• Where can i find the tire size on my Marathon Plus Wheelchair tire?

  The tire size for our Marathon Plus Wheelchair tire is embossed on the tread cap and can be located at the transition point between tread cap and sidewall. Marathon Plus Wheelchair size labelFew readers

• What is the difference between 28" and 29" tire sizes?

  There is no difference. Both tire sizes have the same inner diameter of 622 mm and can therefore be fitted on the same rims. In Europe, 28 inches is a traditional size for touring bicycles. In many countries it is even the most frequent tire size used. In countries outside Europe the rim diameter of 622 mm is only rarely used. Bicycle travelers who want to buy spare tires for a 28-inch touring bicycle anywhere in the world, can tell you a thing or two about it. A few years ago 29 inch tires weFew readers

• What are all the tire sizes?

  The following list shows most common tire sizes. For virtually every tire size, you should be able to find a corresponding ETRTO-size with corresponding Inch and/or French size. (https://storage.crisp.chat/users/helpdesk/website/cff55f369977f800/tire-size-conversion-table1fjeaqc.png =1000x2760)Few readers

• Tire width and inner rim width compatibility

  A tire's profile when mounted varies greatly on the width of the wheels rim. As mentioned in other articles, a wider inner rim width will yield a wider and flat profile. A narrower inner rim width will result in a voluminous shape that resembles a light bulb. The ETRTO has recommendations for such combinations of tire and rim width. To optimize safety and performance, it is alwaysFew readers

• What is the circumference of my tire?

  In order to accurately program a bicycle computer , it is generally necessary to enter the exact tire circumference. The tire circumference varies depending on the rim, the inflation pressure and the load on the tire. For these reasons, it is not possible to list an exact tire circumference. Approximate tire circumferences In order to accurately program a bicycle computer, we reFew readers

• How are tires measured?

  Nowadays, bicycle tire sizes are all marked according to ETRTO (European Tire and Rim Technical Organization) standard. Modern Inch size nomenclature is often used. Older English and French tire size dimensions are still used as well.The 3 most common ways of measuring tires are ETRTO, Inch, FrenchThe ETRTO size for a tire is a millimeter based measurement and is the most accurate. Schwalbe alwaysFew readers