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johneycoo:哈哈,我也是6700,为了好看,没舍得换正负齿,一直在忍,等到忍无可忍的时候,就换成6601,那个时候就可以换正负齿了 (2017-09-22 10:05)
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kalok:[实用理论]胶前拨 http://bbs.77bike.com/m/index.php?a=read&tid=239788 (2017-09-22 10:06)
小尘4x:负责任地告诉你,目前只有正负齿才能有真正杜绝掉链的几率 (2017-09-22 10:07)
小尘4x:记得都要自制防掉链器了,不如订做石头盘,看看有没有的搞? (2017-09-22 10:11)
MrLu1:搞个双护盘的石头盘哈哈哈 (2017-09-22 10:12)
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安静的疯子:奇了怪了,6028牙盘,4600飞轮后拨,就是不掉莲,开始准备正负齿的一直没有换 (2017-09-22 13:56)