Mountain Bike Tire And Rim Sizes

It s the same with our r rims 700c road.

Mountain bike tire and rim sizes. There are multiple tires to consider and it s important to understand tire size. Hi hart the internal width of the dm18 is 17 9 18mm. Therefore a 20 622 tire is a tire 20mm wide that fits on a rim with 622mm in diameter typically a road bike rim or a 29er one. These sizes can be thought of as a sort of shorthand for decimal sizes each with a corresponding iso measurement.

Tires are essential to mountain biking the type of terrain you ride and they can have a big impact on your riding experience. There is also the french system that measures the sizes we re talking about 700x20c. Once you ve identified your tire diameter 29 27 5 or 26 you ll want to dial in your width. The letter codes no longer correspond to the tire width since narrow tires are often made for rim sizes that originally took wide tires.

For example 700 c was originally a wide size but now is available in very narrow widths with actual outside diameters as small as 660 mm. By matching your tire section width to your rim width you can determine optimal compatible or not optimal fitting options to ensure the best tire rim combination. Note that tire fitting varies from rim and tire designs. The closest rim we got is the r25 17 9mm internal 25mm outer width 25mm depth.

Whether you are mountain biking on dry trails in utah or through the waterfalls of iceland having the right tires is crucial for the best riding experience. Mountain bike tire size and width. Also the rim s diameter expressed in this manner coincides with the inner diameter of the tire. Around for a long while but largely ignored the middle child of mountain bike wheels has people talking these days.

As a wider selection of 27 5 specific components become available the mountain biking industry and the mountain bikers themselves are taking notice. For example if a 2 20 tire 56mm was designed to be used on a rim with an internal measurement of 24mm and you were to mount it on an extra wide rim with an internal measurement of 29mm it would pull the overall width of the tire closer to 58mm making the tire closer to a 2 30. A cross country bike will have tires in the 1 9 to 2 25 width range. We recommend 21 38c tires for our r25 rims.

The wtb tire rim compatibility chart is used to determine what tire and rim width combinations provide optimal performance and compatibility. The sizes you commonly see for mountain bike wheels like 26in 27 5in and 29in all refer to the outside diameter of the wheel with the tire fully inflated. They can range anywhere from an internal rim width of 13mm up to around 29mm.