Deciding on the best wheel size for gravel bikes ... so it became known as a 27.5-inch wheel. ... Frame designers are getting better at accommodating wider tyres on 700c wheels and BMC's 2022 ...

Our “normal” 700c rims are just 622mm in diameter, while the largely defunct 700a and 700b sizes were 642 and 635mm in bead seat diameter, respectively. These larger-diameter rims were intended for ...

Mountain bikes were originally designed with 26-inch diameter wheels. ... The standard for road bikes is the larger 700c wheel size for exactly the opposite reasons.