If29 becomes the standard over 27.5 I might quit mountain biking. 26 isn’t dead. I have a Banshee Spitfire which is convertible between 26 and 27.5 on a new bike.
Nowthe thing is 27.5+ which is basically the same dia as 29er. People are just resistant to change. I think if your coming into mtb fresh you will love it, if your coming from a old 26 then maybe the jump is too big so people want to go 27.5 for a while, then they will eventually be more comfortable jumping to a 29.
RollingMomentum 27.5-inch wheels provide adequate travelling momentum but are less adept at traversing obstacles compared to their 29-inch counterparts.
Pros Fastest top-end speed when compared to the 26 and the 27.5”. The 29” bikes offer the most forgiving ride when it comes to traveling over rocks, bumps and roots. Larger wheels result in less suspension needed to travel, which results in a decrease in pedal bob as well as increased efficiency. Ideal for taller riders.
Easyto right through tight terrain. 27.5 have been around for many years as a slight step up from the traditional 26-inch wheels of the past. 26 inch wheels were too small, 29ers were too big, so 27.5 was the goldilocks in between sizes. They provide a greater rollover and stability while retaining the agility of a smaller 26-inch wheel.
Itis slower in acceleration and less maneuverable. It is also hard to fit into small frames. However, experts pick them as the best for heavy and tall riders and tough
Inshort, the smaller the angle, the easier it is for the wheel to roll over the object. 29-inch wheels are particularly reliable and stable on rough and speed descents and climb. Many riders feel more confident with larger wheels. Compared to the 29er, 27.5-inch tires do have a better angle but not as significant.
29 is the same as 29, 28, and 700C (ISO 622) but the rim width might preclude running narrow road tires. 27.5 is the same as 650B (ISO 584). A 30mm internal width rim can run a tire from 2.2 to 2.8 with decent tire profile, though not optimal for either. There are plenty of very fast tires in that size range.
Im finally looking to update my decades old 26" mountain bike and wondering whether it's easier or harder to climb on a 27.5" (assuming same chaingring/cassette/ratios) Also, debating between a 32 x 10-50 Eagle GX vs 30 x 11-46 XT setup and would appreciate any thoughts from those who've ridden both.
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26 vs 27.5 vs 29
