Road Bike Tire Size Guide

Mountain bike tyres are designed to take this extra stress but road tyres are not.

Road bike tire size guide. While there are tubeless tires out there these structures are an essential part of most bicycles whether you re riding a road or mountain bike. However on some very small bicycles or children s bicycles you may find 650c tyres 571mm. So make sure you look at a tire size chart and try a full suspension mountain bike for size before buying. 17in 19in and in sizes such as small medium and large.

Road bike tires generally come in three widths. Mountain bike size chart. For standard hardtails our mountain bike size chart should be a god send. Almost all road bicycles have wheels that are 622mm diameter referred to as 700c tyres on the tyre wall.

I currently have front tyre schwalbe smart sam active 57 621 and rear tyre schwalbe smart sam active 57 622 on rims cube ex23 36h disc tubeless ready. A tire size you might see on a mountain bike. Some older road bikes still have the 27 inch size. Check your existing road bike tyres before selecting your tyre 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. Types of road racing tyres. 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. 23c 25c and 28c their width in mm.

29 x 2 3 indicates a tire with a 29 outer diameter and a 2 3 width. Obviously the tires that came with my bike aren t ideal for road conditions and i was wondering what type and size of tire i would need as sizing is a little bit confusing. As long as your new tire s size matches one of these sets of numbers the new tire should fit your bike. Also the rim s diameter expressed in this manner coincides with the inner diameter of the tire.

Bike frame sizes are most commonly listed in centimetres e g. 700x25c indicates a tire with a 700mm outer diameter and a 25mm width. Therefore a 20 622 tire is a tire 20mm wide that fits on a rim with 622mm in diameter typically a road bike rim or a 29er one. When it comes to choosing width there are two major factors at play.

A note on tyre diameters. Common road bike widths in millimeters come in sizes ranging from 18 to 23 with a typical road bike tire at 700 x 23. Mountain bike sizing can be affected by suspension and your tire choices. Bike inner tubes are inflatable rubber or latex tubes that sit on the inside of your bike tire and help keep your ride safe and smooth according to the evans cycles purchase manual.

48cm 54cm inches e g. A tire size you might see on a road bike.