Tyres explained

What do you need to know about tyres? What are the different sizes of tyres? Run flat tyres are specially designed with strengthened side walls so that, in the event of a loss of pressure such as a puncture, the tyre can hold the weight of the vehicle and continue to be used for a short time until you can reach an appropriate place to stop and have the tyre replaced. There are many different tyre markings for run flat tyres depending on the manufacturer.

Cycle tyre sizes explained. By Richard Hallett.

A guide to cycle tyre sizes. Are you confused by the markings on your tyres ? Did you know that some tyres marked are actually much less than inches diameter, or that 26×1. Tyre dimensions explained. You may not have even noticed but the sidewalls of your tyres are packed with information, much of which plays a big part in how your car behaves on the road.

Most tyre manufacturers follow an industry-standard method to state the information about each tyre , helping main dealers, independent garages, and personal buyers. Understanding the EU tyre label. How to read the tyre sizes.

Let’s take the tyre above as an example. Each tyre on your vehicle carries an imprint of various codes and numbers. While this can be confusing to understan tyre markings are important and carry a specific purpose. Here we take a look at the importance of tyres , explain what the different tyre codes mean and provide motoring tips about your car tyres.

Road bicycle tyres explained. A great road bike will only perform at its best if the wheels are fitted with some good pneumatics. W – Indicates the tyre speed rating. It shows the maximum speed a tyre can handle. A tyre speed rating indicates the maximum speed a tyre is legally approved for.

It is always shown as width, profile, and then diameter. This refers to tyre tread depth which must be above the minimum legal limit which for passenger cars is 1. Exterior noise levels are split into three categories and the figure is the noise level measured in decibels (dB). Directional tyres must rotate in the right direction, clearly marked on the sidewall of the tyre.

Some high performance cars are fitted with tyres that are both directional and asymmetric. Learn all there is to know about tyre markings with our helpful tyre markings guide. These must be fitted the. Found on the tyre sidewall, these letters and numbers refer to the width, height, diameter, load and spe.

Learn how to carry out tyre safety checks and when you should replace worn tyres.

UK tyre law states that 1. Different types of car tyres explained Although you may think tyres are simply the bits of rubber that keep your car on the roa they can actually be very high-tech pieces of kit. Code Breaker We explain the baffling array of information on the sidewall of tyres. Since their invention, natural rubber is the most widely used material in manufacturing of tyres. However, modern tyres also employ materials like synthetic rubber, fabric, steel wires, carbon black and some more compounds. So this one would be 97.

R Means it's a radial tyre. Is the diameter of the road wheel, expressed in inches. This is the tyre's load rating. The profile of the tyre. This number is the tyre ’s aspect ratio – essentially the height of the tyre ’s profile outward from the rim represented as a percentage of the tyre ’s width.

We calculate this number by dividing the tyre ’s section height by the tyre ’s section width. So, if a tyre has an aspect ratio of 4 that means the tyre ’s height is of its width. They may look fine at first glance but an old tyre could be subject to unseen ageing that makes it unsafe. It is easy to assume that your car tyres just wear out and need replacing, and otherwise are happy to live on as long as the car does.

But in truth, your tyres. A tyre ’s EU tyre label wet grip rating reflects the capacity of the tyre to brake on a wet road. However, there are other parameters which are relevant for safety.

Mountain bike tyres explained. A good mountain bike tyre will provide low rolling resistance, ample grip, and provide a degree of cushioning that will enhance the quality of.