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5

The vast majority, perhaps all, road bikes sold today (in 2021) have 700c wheels. Majority yes, not all. 650B for allroad/gravel/rando, 650C for some tri/TT and small adult road bikes, 26" (559) for some other small adult road bikes of various subgenres, and all the 24 inch sizes for youth road and cross bikes - 507, 520, and 540 24" specimens all ...


2

The label 29″ is likewise a misnomer. The inner diameter (the place where the rubber sits) of 29″ rims is precisely equal to that of 700c rims. I think that when you say inner diameter, you're thinking of the bead seat diameter. Briefly, your tire beads are what keep the tire locked onto the rim. The beads are designed to sit on a shelf in the rim. The ...


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