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Gizmo

发布时间:2019-03-02 05:15:07来源:未知点击:

An airless tyre for motor scooters designed to eliminate punctures will go on sale next year. The tyre is a solid concave rubber tread that is bonded to the wheel’s especially wide rim. Between the rim and hub are polymer shock absorbers. The wheel, which will be manufactured by Michelin,