| 摘要 |
Tread strip for a wheel of a lightweight vehicle comprising a toric component 2 intended to be mounted on the rim 1 of the wheel and having radial elasticity capable of providing riding comfort by partial elastic crushing, the said toric component being surrounded by a protection and tread casing 3, characterised in that the said toric component 3 is made from a cellular plastic whose density increases from the centre towards the periphery of the cross-section of the said component. <IMAGE>
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