I think it is surface roughness, not rotor厚度

来源: mm196666 于 2012-08-02 08:22:35 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (211 bytes)

no need to change if you don't care braking performance. Just keep a big distance to the car in front of you.

Change or re-surface if you do care braking performance. Some time you want to stop immediately.

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