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内容来自iPhone手机客户端
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落花无声:你是53-44组成双盘?正负齿只能单盘用啊,齿形不一样,只有一半的机会不掉链,要双盘的话就把小盘换成支持变速的盘片 (2023-11-22 11:55)
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内容来自Android手机客户端
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铁牛哥:挂第几档掉? (2023-11-22 13:28)
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