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In the bike tire sizing chart below you can find common bike tire sizes, each listed in a table with the respective tire widths. So it is easy to compare the different sizes in inches, ETRTO and the French designation. The ETRTO size is standardized and precise, so it is a good starting point when buying a new bicycle tire.
Generally, the size is indicated by two numbers that correspond approximately to the outside or inside diameter, and the width of the tire, but not always in that order. A tire can also have one, two, or even three sets of sizing numbers.
The size in mm according to the European ETRTO standard, for example 47—622, where the first number indicates the width of the inflated tyre and the second the inside diameter in mm.
15 sty 2024 · Two fundamental dimensions define a tyre’s size: its diameter (specifically, the diameter of the tyre's bead which connects it to the wheel rim) and its width. The bead diameter needs to...
Check this rim-width-tire-size chart to find the perfect rim and tire match. For Light Bicycle mountain, road, and fatbike carbon rim wheels. More tire choosing guides included.
The inner tire diameter must match the rim shoulder diameter. For example, the tire size 37-622 fits on a 622 x 19C rim. The tire width and inner rim width must also be matched. The table shows possible combinations of tire width and inner rim width according to ETRTO, supplemented by Schwalbe recommendations.
Bike tires are typically measured in two dimensions— diameter and width. The diameter measurement is an approximation of the tire’s total outside diameter including treads, and the width is a measurement of the approximate total width of the tire when mounted and inflated.
