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內部緩衝材會自然分解,4年左右就一定要換 如果 有摔到的話更要提早換
倒是要常洗吧
有些內襯邊邊是塑膠皮,時間自己到就粉掉了
四五年換一次,裡面經常清洗
我都買便宜一千多塊地 看膩了就換
我個人兩年半換一頂 但也就戴3000多的
大概兩三年換一頂吧 哈哈哈
退色就可以換了 不然感覺也挺不安全的
摔到幾次就會想換
不換 太貴了啦 我月薪不到三萬