Normal Road Bike Tire Size

25 622 is the international standardization organization iso way of identifying the 700x25c tire in the example above.

Normal road bike tire size. This wheel size is the largest available for conventional bicycles giving a racing bike more stability at high speeds. 27 iso size 630 is an older size that was used for road bikes but since so many bikes were built with this size it is still readily available. 29 the 29er another popular size for mountain bike wheels and tires. 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.

A third type of tire size might appear on either a mountain or a road tire. For standard hardtails our mountain bike size chart should be a god send. However on some very small bicycles or children s bicycles you may find 650c tyres 571mm. Almost all road bicycles have wheels that are 622mm diameter referred to as 700c tyres on the tyre wall.

Some older road bikes still have the 27 inch size. Types of road racing tyres. Mountain bike leg inseam cm x 0 66 your frame size road bike leg inseam cm x 0 70 your frame size if your leg inseam is 76cm then your right mountain bike size is 50 cm 20 road bike 53cm and city bike 52cm or use the. Check your existing road bike tyres before selecting your tyre size.

Common road bike widths in millimeters come in sizes ranging from 18 to 23 with a typical road bike tire at 700 x 23. 700x25c indicates a tire with a 700mm outer diameter and a 25mm width. Because of the high pressure and desired low rolling resistance road tires come in narrow widths. Racing bikes use the 700c size which has a tire bead set diameter of 622 millimeters.

There was a time when most riders would opt for 23c tyres on the road pump the tyre pressure up to around 110psi for every ride letting out just a little air to provide extra grip in poor weather. 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. The size of a bicycle wheel is usually measured using the tire size which comes in several stock sizes that are universal across the world. Mountain bike size chart.

23c 25c and 28c their width in mm. Mountain bike size chart. A note on tyre diameters. 26 iso size 559 is the most commonly used size for modern mountain bikes and is also used by many hybrid bikes.

Mountain bike sizing can be affected by suspension and your tire choices. Bike size chart advanced. A tire size you might see on a road bike. So make sure you look at a tire size chart and try a full suspension mountain bike for size before buying.

When it comes to choosing width there are two major factors at play.