轮胎 195—60R15 和18565R15 有什么区别 在线等

2025-03-15 02:24:35
推荐回答(2个)
回答1:

你好!
解释下其中一个:195/60R15中
195代表轮胎宽度是195MM,60表示轮胎断面的扁平比是60%,即断面高度是宽度的60%,15代表轮辋直径是15英寸。
类推可知185
65r15
我的回答你还满意吗~~

回答2:

首先两款胎的胎宽不同,一个是195mm,一个是185mm。其次是扁平度不一样,一个是60,一个是65。
轮胎内径都为15英寸,大概是381mm。
换算成轮胎半径,一个是195×60%+381÷2=307.5mm,一个是185×65%+381÷2=310.75mm。
周长一个为2π×0.3075=1.93m,一个是2π×0.31075=1.95m。也就是说两款轮胎每旋转一圈的里程差是0.02m。
在不考虑轮上损失的情况下,同转速下185
65的轮胎会跑得快一点。195
60轮胎时速为100km/h时185
65轮胎的实际时速为101km/h。
还有一个区别就是195
60轮胎的轮胎厚度为195×60%=117mm,185
65轮胎的厚度为185*65%=120.25mm,后者的减震能力更好,舒适性更佳。

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