Road Bike Tyre Sizes Guide

Road bicycle tyres generally come in three widths.

Road bike tyre sizes guide. Where you see a block of two or more compatible sizes having the same bead diameter you can assume that intermediate sizes exist that will also fit the same rim. Between 18 622 and 25 622 there are tyres of 19 20 22 and 23mm section. 23c 25c and 28c this number refers to the width of the tyre at their widest point in millimetres i e. Our tyre size guide will clear up any confusion you have when selecting the right replacement tyre for your bike.

To confuse matters further all tyres use the european tyre and rim technical organisation etrto system so for a road it would display 622 x nn with the nn value indicating the tyre width which is the same as 700 x nn. Choosing your road tyre width. A guide to bike tire sizes traditional sizing systems. Plus size tyres fill the gap between traditional size mtb tyres and the wider fat bike sizes.

There is some overlap in sizes between 650b gravel and mountain bike tyres but gravel tyres are usually sold in metric sizes as listed above. There are a myriad of wheel sizes for road mtb touring and children s bikes. We recommend that you use the traditional sizing method wherever possible as most tyres that we stock use this system. The current trend for road tyre width is 25mm because it s often more comfortable and faster than.

The traditional sizing systems were based on the measurement of the outside of diameter of the tire so it would be listed as diameter x width. Mtb wheels in particular can be further categorised by 26 inches 27 5 inches and 29 inches. A standard 700c road bike rim with a 23mm tyre width which is the same size as 700 x 23c. Getting the right road bicycle tyre for your type of riding will help to make it more comfortable safer and potentially faster.

23mm 25mm and 28mm. Tyre and wheel sizes for road riding don t vary as much as mountain biking with a 700c wheelsize almost universal for road riding and tyre sizes typically ranging from 22mm to 32mm. If you are looking for information about tyre choice for different disciplines surfaces and performance goals look at our road bike tyre guide or mountain bike tyre guide best tyre for your bike including rubber compound tread pattern tyre pressure puncture protection and weight. Up to 2in width narrow old school mtb tyres.

A 650b diameter tyre fitted to 650b iso584mm diameter rims give the rider a wheel where the approximate outside diameter of the 650b tyre is the same as that of a 29in iso622mm wheel and standard 2 25in iso57mm tyre. Despite the relatively consistent size options it s important to know what different tyre sizes mean in terms of performance comfort and durability.