捷安特甩尾狂 wrote:怎麼才新車,前輪鋁圈...(恕刪) 原來這是 煞車粉塵?我的大T 每次剛洗完澎澎 都會看到 輪圈上 有一層咖啡色灰色的 塵埃我都以為 是空氣很糟糕引起的咧所以說 煞車粉塵的堆積時間 跟 開車的猛爆程度有關係囉?看來我得好好控制我的黃金右腳了...
It's from the brake pads. You can get brake pads that have much less dust. The dust is corrosive and will eat into the rims if you don't wash them off.