Преимущества и недостатки найнеров

You don't have to be a super observant cyclist not to notice a trend that is showing up on our roads more and more every day. Many cyclists ride on slightly unusual bicycles with large wheels cheerfully rolling and easily overtake cyclists by 26 ″. These wonder bikes have a wheel diameter of 29 inches, which entails a ton of changes in frame geometry, suspension and attachments. Should you pay attention to niners when choosing a mountain bike? What advantages or disadvantages do they provide? Which riding style is best suited for? All these questions can only be answered by comparing them in practice.
What do big wheels give? For cross-country driving, the sensation of riding the 29er and 26 ″ can be described as if you were rolling over bumps on 20 "bike and then switched to 24" or 26 ". The larger the wheel, the better it rolls over uneven surfaces. Niner "swallows" most of the pits, simply rolling along their edges, since a large diameter is more passable. Even with a weaker front fork, the 29er will provide more ride comfort than the usual mtb. The contact patch of the tire with the surface of the 29er is also larger, which makes it more stable on the track. Also, the high profile rubber always makes the rolling softer.
Large wheels to fit into the frame took a lot of development before the designers and engineers came up with the ideal proportions of the 29 ″ mtb. The development of the relationship between the length of pipes and the angles between them, the length of the stem and feathers is still ongoing. But we can already say with confidence that the engineers have achieved excellent stability for a bicycle and a comfortable fit for a cyclist.
If we compare the characteristics of 29 ″ and 26 ″, then the 29ers will definitely have better roll, due to the passage of a greater distance with one spin pedals, more grip due to more contact of the tire with the surface. They give a feeling of greater stability. BUT, there are also losers, versus 26 ″ , Moments: 26 picks up acceleration more easily after stopping, less effort is required for the cyclist. With a similar configuration, it always has less weight due to smaller wheels and a frame. As much as hobbyists of the 29er might argue, the 26 ″ will be more maneuverable on winding paths. Technically, longer frame tubes are more flexible, as are larger wheels.
From the subjective sensations of comparing the two types of bicycles, I can say: riding on a relatively straight road on a 29er is easy and pleasant, the speed compared to 26 "is amazing , there is almost no fatigue. On 26 wheels, with any combination of sprockets with a different number of teeth (tested on the connecting rod system - third 48 teeth, on the 8th cassette by 11 teeth), it is impossible to catch up with the niner. BUT! It is difficult to enter the passenger elevator of our standard high-rise building with it, if there is no freight one))), turning around on it on a small section is also more difficult))) and to ride a niner over very rough terrain requires much more skill, it is still less agile. But more and more professional cross-country riders are switching to niners and winning races on them! A separate item will be the selection of the niner by height. With the same seat tube height, the bike simply stands higher on the wheels, plus they have an elongated rear triangle, which makes the bike comfortable for a height of at least 180 cm.Of the options available now, it is difficult to choose a bike with large wheels for growth below 170 cm. At the moment, you can safely choose niners for tall cyclists, they are definitely will be more comfortable for them than 26 "even on the tallest frames, due to its geometry. But judging by the trends in the development of bicycle "fashion", comfortable frames will soon be developed for short cyclists. Then, with a high probability, one can expect that 29ers will strongly press the mtb 26 ″ and will confidently take the leading positions in the sales ranking among all types of bicycles!

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