[問題] 充飽氣過一陣子就會沒氣
請教一下，家裡2台腳踏車，都幾個禮拜才騎一次，
每次要騎前都會打氣，但過一陣子沒騎，氣就會變比較少
請問是因為內胎老化的關係嗎?
有需要換內胎嗎
謝謝
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※ 編輯: kam17789 (61.221.102.2), 11/07/2014 15:30:23
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