If the difference between 26 and 27.5 mtb has sometimes been long overdue, all those who have tried the big 29 wheels say it is obvious. And from a material point of view, it has seen the beginnings of questioning a few key elements. Some have wondered about disc diameters, transmission ratios, suspension travel and tire sections.
If we assume that the numbers are not worn away on your deck and example is 32-622 on your bicycle tires, describes the 622 tire diameter, while the 32 stands for the width of your bike tires. If you find the width of your bike tires minor, simply use the diameter, which in this example is 622 Remember, however, that the rim of your bicycle 26” is like Latin. Some people still use it but it’s more or less dead. General rule of thumb: 27.5= more agile, better for tight twisty trails 29= more speed and better roll over, better for chunky trails. Frame design also comes into play as well so it’s not all about the tires. 10. “All others are riding 29-inch bikes. I would suppose that the 27.5-inch bike is in between the two others, but closer to the 29-inch bike, since wheel circumference is closer to the 29-inch Wheel size is just one component of bike design and not even a particularly important one. A very long slack bike with 27.5 wheels will feel more stable and monster truck than a shorter, steeper 29er. If the bike is fun then don't worry about the details. 14. bongtokes-for-jeezus. Flyer. I have 27.5 x 2.8 bike and a 29 x 2.3 bike. The 29er has better rollover and speed. The 27.5 has better traction in kitty litter type of loose trails. I think maybe the low PSI of the 27.5 makes the effective diameter less. I'm going to switch to 27.5 x 3.0 and see how it changes.Fox Racing Shox 27.5 inch specific forks. On the topic of wheels, wheel/rim manufacturers have also noticed the potential of the upcoming 27.5 wheel standard. Brands like American Classic and Enve Composites currently have 3 models each for the 27.5 inch wheel size. Stan’s No Tubes has 4 models of 27.5inch wheel sets in their product range.
Tyres of the same size may come with lots of different markings: 28×1¼×15/8, 28×1¾×1¼ or 700×32C, for example, which are all 32-622. Even worse, the same or very similar markings can sometimes be found on completely different sizes of tyre: 26×1½ and 26x1.5. It might be supposed that these two tyres are both notionally 26" diameter
