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图片:Rotor-Spidering_direct-mount-round-noQ-one-piece-double-46-30-chainring.jpg
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内容来自Android手机客户端
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内容来自iPhone手机客户端
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kolmaro:46/30;普通公路用,前拨是个大问题。 (2016-09-17 01:47)
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evolutionzxs:可以的,50-34差16T,46-30也是差16T (2016-09-17 07:13)
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34与30,只差4个齿,应该可以吧,这个还是需要实践,
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