^ tubs are also pretty much spherical in profile like an innertube with a tread on it. Clincher tyres are much more oval in profile so same width will be taller and give less clearence.
@dubtap started
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^ tubs are also pretty much spherical in profile like an innertube with a tread on it. Clincher tyres are much more oval in profile so same width will be taller and give less clearence.