Bike Wheel Size Inches

Bike frames are measured from.

Bike wheel size inches. As with most bike wheel naming conventions the term 26 inch does not refer to the diameter of the wheel itself but rather the approximate outside diameter of the tire that fits this wheel size. Step by step procedure of measuring tire size step 1 stand your bike in an upright position or lean it on a wall. 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. Forks will usually be 9mm quick release qr 15mm or 20mm bolt through.

Sometimes referred to as 650b the 27 5 inch wheel fits right in between the 26 and 29 inch offerings. The actual iso diameter of a traditional 26 wheel is 559 millimeters. On road bikes and hybrids no as these bikes will all have a similarly sized wheel. Some downhill frames may have 150mm rear spacing.

Consider the following pros and cons of each and decide which size to test drive first. You can find them with 26 wheels 27 5 wheels or 29 wheels. Mountains bikes now come in three different wheel sizes. So which wheel size is right for you.

27 5 650b wheels iso 584 mm. They have a little more cushion to them naturally there is more air volume to disperse as you go over bumps. Before taking the plunge and spending on a set of wheels make sure that the axles will match your frame and fork. These sizes can be thought of as a sort of shorthand for decimal sizes each with a corresponding iso measurement.

While 26 inch wheels are still considered the standard for mountain bikes 29 inch wheels are fast on their heels. After all the best way to test a bike technology is to take it for a ride. And right behind those big 29ers are wheels of yet another size. So the actual measurement of a particular bike may vary from the spec on the particular rim.

If all three have a 15 frame there will be a height difference between them due to their wheel size. The difference between 26 wheels and 700c wheels twenty six inch wheels are used most commonly on mountain bikes and they tend to be fatter.