充气轮胎的构造类型，其侧壁高度与轮胎宽度的关系最大为0.7，通常构造为高压轮胎。宽基轮胎制成交叉轮胎或子午线轮胎。与具有相同直径和气压的标准轮胎相比，它们的突出特点是轮胎胎面更大。

        Construction type of pneumatic tyres, for which the relation of side wall height to tyre width is 0.7 maximum and which are normally constructed as high-pressure tyres. Widebase tyres are made as cross-ply tyres or radial tyres. Their outstanding feature as compared to standard tyres with the same diameter and air pressure is their larger tyre tread.