What do tyre sizes mean

What does tyre size mean? How to read the tyre sizes? It is important to know exactly what is meant by tyre size. The code that is found on the tyres gives more than just the basic size.

The size elements are essentially the tyre’s height and width.

Tyre sizes will also vary depending on the type of vehicle i. Although the numbers are on the sidewall, very few people know how to decipher them. Most hybrid bikes today come with 7size tires. The C simply stands for clincher opposed to a tubeless tire. It clinches onto the rim of the wheel.

You can only fit 700c tyres onto your wheel. Wider will increase drag but give you a bit more of a comfy ride.

The load rating on a tyre converts to a maximum weight that each tyre is manufactured to support at a specified speed. The UK law requires the load rating to be equal to or higher than the tyre that is recommended by the vehicle manufacturer for the tyre size that is fitted. The numbers are indicators of the size , type, capabilities and performance of the tyre. The first number is the width of the tyre in millimetres. Therefore, this radial tyre has a width of 205mm.

The ‘65’ confirms the height shown as a percentage of the full tyre width. Is the width of the tire measured in millimeters from sidewall to sidewall. One way to define it, popular in times past, was to measure the tyre’s outside diameter and its maximum width when inflated , but this can be misleading. For example, some tyres marked are actually much less than inches in diameter , while 26×1. Your tyre size can be found on the sidewall of your current tyre and is a sequence of numbers and letters.

However, older English and French tire size dimensions are still used as well. Hardly user friendly but, when you know what it all means, you’ll realise it tells you useful information about the tyre’s construction, size and type. We may already have a little knowledge about what tyres are best for which road conditions - but when it comes to replacing your tyres , what do tyre sizes mean ? Numbers, letter, words and symbols show on the sidewall of your tyre - but what does the number on a tyre mean ? Find out everything now.

The width of the tire, from sidewall to sidewall, in millimetres.

A 1is 1millimetres wide. The tread width is actually somewhat smaller than the tire’s actual width. Overall width of a tyre is the measurement from side to side including any additional sidewall items such as kerbing ribs, raised letters etc. This is the maximum width of the tyre , under conditions in which the vehicle is fully loade and in our example as you may have guesse this comes to a maximum of 1mm.

Represents the ratio between the width and height of the tyre from the rim. To find the tire size meaning in inches is very straight forward. There are two ways that tire manufacturers display tire size, inches and metric. In this example the tire diameter or height is inches tall. When changing a tyre size , you should ensure that the tyre and wheel assembly diameter of the same value so that the speedometer and gearing remain unchanged.

For each 10mm boost to tyre width, a reduction of in the height of the sidewall is necessary, if the wheel size is unchanged. The answer is they don’t really, but the size and profile of a tyre can actually alter the way your motorcycle rides and handles, and some riders might actually benefit from a little change up. Before we look at what different motorcycle tyre sizes can do , lets first take a look at what all those numbers and letters mean on the side of the tyre. Tires with diameters 6mm and 6mm are both classified as 28-inch.

Oddly enough, tires with an inner diameter of 6mm are classified as 27-inch. These classifications originate from the time of tire brakes. In those days, the exact outer diameter of the tire was defined by the brake.

Cruisers are an exception.