Road Bike Tire Size Chart

So make sure you look at a tire size chart and try a full suspension mountain bike for size before buying. Common road bike widths in millimeters come in sizes ranging from 18 to 23 with a typical road bike tire at 700 x 23. 23c 25c and 28c their width in mm.

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The logical version given rim diameter the iso diameter and tire diameter the size of your tire converted to millimeters wheel diameter rim diameter tire diameter 2.

Road bike tire size chart. 25 622 is the international standardization organization iso way of identifying the 700x25c tire in the example above. 29 the 29er another popular size for mountain bike wheels and tires. The tire size chart below includes bicycle tire sizes and how they are commonly written. Mountain bike tyres are designed to take this extra stress but road tyres are not.

Road bike tires generally come in three widths. When it comes to choosing width there are two major factors at play. For standard hardtails our mountain bike size chart should be a god send. A third type of tire size might appear on either a mountain or a road tire.

Mountain bike size chart. The letter at the end of a tire size is a throwback to an old french system when the letters a b and c designated different inner tire diameters it does not stand for cm. Bicycle tires come in a variety of sizes and with time the international organization for standardization iso has developed a universal system to better understand and regulate tire and rim sizing. A chart of wheel sizes with an explanation of bikecalc s math.

Because of the high pressure and desired low rolling resistance road tires come in narrow widths. Jump down to the wheel size chart. On the other hand it increases the stress on the sidewall of the tyre. Mountain tire sizes 26 twenty six inch is the most commonly used size for modern mountain bikes and is also used on many hybrid or utility bikes.

Some older road bikes still have the 27 inch size. Another reason not to exceed the 2 2 limit on road is that a more bulbous tyre can deflect sideways with a noticeable effect on control and roadholding. 700x25c indicates a tire with a 700mm outer diameter and a 25mm width. A tire size you might see on a road bike.

It s actually the same bead seat diameter as 700c tires but most 29 tires are simply too wide and tall to fit. Mountain bike sizing can be affected by suspension and your tire choices. What size is my wheel.