問個菜鳥問題。XC是爬坡的，那騎上山了，總得下來呀。下來時怎麽辦？不會時換一輛下坡的車吧。：）

來源: longhair 於 2023-07-13 09:15:51 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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