Wheels and Tyres Guide - General Information

Cross section of a radial belted tyre

~1min read
Cross section of a radial belted tyre
1 - Tread block
2 - Tread groove
3 - Tread
4 - Nylon ply
5 - Belt layers

Usually made of steel

6 - Bead core

Consists of steel wires vulcanised into rubber.

Ensures secure seating of the tyre on the rim.

7 - Bead filler
8 - Rim flange protection
Protects the rim and tyre from abrasion from, for example, contact with the kerb Tyres with Maximum Flange Shield (or rim protector bar) are marked with the abbreviation MFS.
The nylon ply -4-, belt layers -5-, bead cores -6- and bead filler -7- form the carcass. The carcass is the “load-bearing structure” of the tyre.

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