| Tyre designs |
A modern motorcycle tyre must have many features in order to be really efficient. Read here, which tyre designs there are.
Diagonal tyres
Also referred to as conventional tyres. The structure of the tyre consists of a carcass, where one or several layers are positioned on top of each other depending on the speed category and tyre load. Each layer consists of gummed textile cord and the overlap angle is chosen in such a way that the tyres achieve the required dynamic features.
Belt tyres with diagonal carcass
The structure of the tyre consists of a conventional carcass and a belt of one or several crossed layers. The difference between the carcass and the belt is with the different targets, which they must achieve, and the materials used. The belt is made mainly of nylon. It should limit the dynamic deformation due to the centrifugal forces, whilst the carcass shall primarily provide the shape for the tyre.
Belt tyre with radial carcass
The main difference to the diagonal belt tyre is in the structure of the carcass, which is radial in this case. This means that the cord threads are radial around the tyre, thus from shoulder to shoulder. Thus low section tyres can be realised, which results in significant advantages for the bend stability, lower weight and better stability with high speeds.
0° belt tyre with radial carcass
A technology, where the structure of front and rear tyres with a radial carcass and a single steel or Kevlar belt is realised. Thereby, the belt is wound around the circumference of the carcass in the running direction of the tyre with an angle of nearly 0°. The advantages of the use of steel cord (e.g. Metzeler) are the extremely high stiffness and the possibility to wind the steel cord in different distances, which results in the differentiated stiffness distribution between shoulder and running area.
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31.07.2010 06:20
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