Our suggestions are based on what we feel is the best balancing act between all of these elements. “Conversely, if the tire is too wide for a given rim, you get more tire roll due to the larger casing size and higher aspect ratio of the tire, which together create more leverage on the tire allowing the casing to collapse and roll over the rim during hard cornering. The basics are that if you run a rim that is too wide for a particular tire you have a lot more issues with tire and rim damage, as the rim is much more likely to bottom out on lateral rock impacts causing tire or rim damage.
WHATSIZE RIMS FOR 700X42 PROFESSIONAL
“It is primarily based on experience, testing, and feedback from our customers as well as the professional athletes we work with. Industry Nine have suggested tire width ranges for many of their rims and had this to say on how and why they come up with those figures: While some brands follow strict charts, others provide a bit looser guidelines. Confused yet? HOW BRANDS CAN HELP YOU PICK THE RIGHT COMBO Side note: The 700, 650, 26″, 27.5″ & 29″ wheel size numbers that we so commonly use actually refer to an approximate average outside tire diameter, not the real size of the rim. The larger number refers to the rim diameter they’re made for: The smaller number on the front refers to the tire’s width in millimeters. They do have internal recommendations, though, so don’t be afraid to ask.Ībout those tire size designations – those are the ETRTO measurements, which are the global standard. That’s why you’ll find “N/A” next to some of their bigger tires on the charts above. The official updates will be good, because WTB told us there are no current ETRTO tire size recommendations for internal rim widths greater than 29mm.
They’d rather sell you a proper rim/tire system that’s designed to work flawlessly and safely then pump out a 40mm wide rim just because you think you want it. Looking at the chart above, it’s no wonder Mavic’s rim width growth has been moderate compared to the rest of the industry. wider rims (up to 50 c) with bigger volume tires (up to 4 inches).MTB tubeless hookless rims/tires dimensions.
WHATSIZE RIMS FOR 700X42 ISO
According to Mavic, the ISO organization is currently updating standards to deal with the latest trends hitting the market, including: Many more are part of the global conversation, most of which contribute to and follow design standards set by ISO for the ETRTO standards. The “Straight Side” are hookless, and the “Crochet” type are the normal clincher with a bead hook.įirst off, we should mention that it’s not only the brands listed here that are concerned about such things. Rim widths shown are internal measurements in millimeters. Here’s what they had to say…Ī very detailed ETRTO guidelines chart, courtesy of Mavic. We spoke with WTB, Kenda, Schwalbe, Stan’s NoTubes and Industry Nine to see where everyone sits on the matter. Step outside the guidelines and you risk poor performance, component damage, or even a total blowout. If we’ve learned one thing from Mavic’s presentations over the years, it’s that tire and rim sizes really and truly are designed to work in tandem. We wanted to know what the compatibility limitations are for optimum performance and, more importantly, safety.
WHATSIZE RIMS FOR 700X42 PLUS
With the explosion of Boost, Plus bikes, Mid Fat and other portly new rim and tire sizes for everything from road to cyclocross to gravel to mountain bikes, it’s a wonder there isn’t more confusion as to what will actually work together.Īnd by “work together”, we don’t just mean whether or not it’ll mount.
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