小弟不是專家,單猜測應該是軸套,底下有一篇軸套相關文章,請參考!http://cjstart20111001.pixnet.net/blog/post/108008548-%E3%80%90%E5%87%B1%E9%81%94%E8%BC%AA%E8%83%8E-%E5%B0%8F%E8%8C%83%E3%80%91%E7%9C%8B%E4%BC%BC%E4%B8%8D%E8%B5%B7%E7%9C%BC%E7%9A%84%E9%8B%81%E5%9C%88%E8%9E%BA%E7%B5%B2%E3%80%81建議還是選適合的鋁圈,不然高速行駛還是有風險!其實:195/55R15可能與185/60R15價格差不多,另外195/55R15與195/50R16操控性也差不多!