非官方的解釋是：減震去噪，上下要看卡鉗在刹車盤前端還是後端，穀歌再久點兒就知道了。

來源: Oneshotkill 於 2019-05-28 08:57:19 [舊帖] [給我悄悄話] 本文已被閱讀：次

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