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图片:Screen Shot 2012-10-10 at 11.09.53 AM.png
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引用第2楼warpblade于2012-10-10 11:24发表的 :那是锁定后拨腿的。。。在剧烈颠簸的时候保持不掉链
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引用第9楼dahaoren于2012-10-10 11:48发表的 :With Cage Lock, TYPE 2 makes wheel removal and installation—as well as chain installation—easier than any other derailleur on earth
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引用第17楼coolsear于2012-10-10 18:06发表的 :方便换后轮的。。。。。别瞎说误导群众。
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