Tyre

Tyre - motorcycle dictionary definitions

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In motorcycling, Tyre can be defined as:

A tire (or tyre in British English) is a ring-shaped covering that fits around a rim to protect it and enable better vehicle performance by providing a flexible cushion that absorbs shock while keeping the wheel in close contact with the ground. The word itself is derived from the word "tie", referring to the outer steel ring part of a wooden cart wheel that ties the wood segments together. The fundamental materials of modern tires are rubber and fabric along with other compound chemicals. They consist of a tread and a body. The tread provides traction while the body ensures support. Before rubber was invented, the first versions of tires were simply bands of metal that fitted around wooden wheels in order to prevent wear and tear. Today, the vast majority of tires are pneumatic, comprising a doughnut-shaped body of cords and wires encased in rubber and generally filled with compressed air to form an inflatable cushion. Pneumatic tires are used on many types of vehicles, such as bicycles, motorcycles, cars, trucks, earthmovers, and aircraft.

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