[問題] 外胎多久要換?
請問一下外胎的問題:
1. 外胎兩側有一根一根的鬚鬚有什麼作用呀?
2. 我的胎側面有點裂裂的,這是正常壓力釋放嗎?還是該換了?
http://i.imgur.com/Sw9UtL3.jpg
3. 之前被碎石插到,拔出來就一個洞在那邊,最近覺得好像有點擴大了……
這樣有需要換嗎?
http://i.imgur.com/WshOBHL.jpg
感謝!
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