根据 google 的说法，replace 安全淡定区间： 3.2 - 6.4mm。

来源: 于 2019-07-25 08:51:38 [旧帖] [给我悄悄话] 本文已被阅读：次
Therefore, your brake pads need a minimum thickness of 6.4 millimeters or more. You may be able to get away with less thickness, but certainly nothing less than 3.2 millimeters. Between 3.2 and 6.4 millimeters is when you should replace your brake pads.
根据以上 google 的说法，replace 安全淡定区间： 3.2 - 6.4mm。