Fora short time, the 700c wheel size became the standard mountain bike wheel size. The industry re-labeled the 700c wheel mountain bike size as 29", or 29'r because with a really wide tire it was 29" in diameter. During this period, it was difficult, if not impossible to sell a mountain bike with anything but 29" wheels.
. 27.5 vs 29-Inch Wheels: How to Choose the Right Mountain Bike. Choosing the right wheel size for your mountain bicycle is one of the most important
29inch: 622 mm: This is a marketing term for wide 622 mm ("700C") tires. 28 x 1 1/2: 635 mm: English, Dutch, Chinese, Indian Rod-brake roadsters (Also marked F10, F25, 700 B) In clincher tires, there is a real difference between "700c" and "27 inch" sizes, but for tubulars this is a false distinction. Whenever you see mention of "27 inch
Therim diameter of 700c wheels and 29-inch MTB wheels is identical – 622mm. Therefore, 29-inch MTB wheels are 700c wheels themselves. A 29-inch MTB bike does not have to be converted to 700c wheels because it’s already a 700c machine. This is basic information but somewhat specialized too. Hence why sometimes even bike shop guys don’t
Theeasiest way to think about it is that 700c is equal to approximately 29 inches, while 650b is 27.5 inches. You won't be able to get a 27.5-inch tyre onto a 29-inch rim, or vice versa, so if
A28" tire is not the same size as 700c. 28" is slightly larger than 700c maybe less than half an inch in diameter. Since this amount is insignificant in size of tire; people may install 700c tires on 28" rim and vice versa. I would not do it. On European websites you find tires for 28" categories and 700c categories.
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700c vs 27.5 vs 29
