A4 Mk3
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| 1 - | Tread block |
| 2 - | Tread groove |
| 3 - | Tread surface |
| 4 - | Nylon ply |
| 5 - | Belt layers, usually made of steel |
| 6 - | Bead core, consists of steel wires vulcanised into rubber. They ensure secure seating of the tyre on the rim. |
| 7 - | Bead filler |
| 8 - | Wheel 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. |
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