非官方的解释是：减震去噪，上下要看卡钳在刹车盘前端还是后端，谷歌再久点儿就知道了。

来源: Oneshotkill 于 2019-05-28 08:57:19 [旧帖] [给我悄悄话] 本文已被阅读：次

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