Assertion: radial tire's reinforcement layer | /r/MadeOf | steel cords
Facets:
Source sentences:
text: On the portion of the carcass layer which is opposed to the tread 1, a lower belt reinforcement layer 3d consisting of steel cords and an upper belt reinforcement layer 3u consisting of aromatic polyamide fiber cords are provided so as to cover the outer circumferential surface of the mentioned portion of the carcass layer 2.