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With all the new higher-volume cyclocross and gravel tires being released, and reader questions arriving on tire widths and rules, we’re curious how many of you can actually fit them in your cyclocross or gravel bike.

The Soma Fabrications Cazadero 42c gravel tire measures to be almost 40mm at 30psi on a 17.5mm internal width rim. © Cyclocross Magazine

The CXM favorite Soma Fabrications Cazadero 42c gravel tire measures to be almost 40mm at 30psi on a 17.5mm internal width rim. © Cyclocross Magazine

We’ve certainly seen a few comments lamenting clearance issues, stating, “If only these would fit my frame.”

Take three seconds to answer the two poll questions below. Let’s assume some knobs on the tire, and that you’ve got one main bike you use both for cyclocross or gravel. If you’re blessed to have several 700c offroad bikes that you wouldn’t call a mountain bike, go ahead and answer based on the bike with the biggest tire clearance. (Sure, pressure and internal rim width matter, but we will let you make some assumptions.)

What's the biggest REAR tire you can fit on your cyclocross/gravel bike?

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What's the biggest FRONT tire you can fit on your cyclocross/gravel bike?

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