We’re far from the 23mm or nothing days of the past, and there’s everything here from traditional 23mm tyres up to plush 28mm rubber. Only one part of your bike touches the road surface, so you’d better make sure it’s quality. Similarly, road tubeless has added another option to the traditional clincher or tubular argument, and many wheels that would have been clincher rims before are now tubeless-ready as well.Īnd don’t forget tyres. They’re more comfortable to ride, and they have lower rolling resistance. For every wide rim, there’s another slim one, and for every aero-profiled rim there’s one where weight is the key concern. Five or six years ago the norm was a 21mm tyre now people are riding a 23 or 25mm. First up, now disc brakes are appearing everywhere you’ll need a specific set of wheels if you want to run discs, and it’s not just alloy clinchers either, there are some real carbon beauties for disc brake bikes. If one tyre width is faster than the other, it should require a lower power output to maintain the target speed. Lots of off-the-shelf bikes come with down-specced wheels, meaning a change can make a big difference, and they’re really easy to change compared to, say, a crankset.įortunately, we don’t have the wheel size conundrums of our MTB-riding cousins (although the Cannondale Slate has opened that Pandora’s box) but there are still plenty of differences between road bike wheels. In the last 10 years, rim widths have grown tremendously. As will tyre pressure, with both the 26mm and 30mm tyres inflated to 90psi / 6.2bar. If you were to describe one place on a bike as the first upgrade point, it would probably be the wheels. Wide rims mean riding lighter, smaller performance tires with cushiony, high air volume and firm surface grip, added American Classic president Bill Shook.
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