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  1. #1
    Coblstones=Balls o' steel bigtrees's Avatar
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    BB for vintage dura-ace track cranks?

    Any ideas as to what a good bb would be for vintage dura-ace track cranks? My old one was 103 or so but had some bad pitting when I went to service it. Time for a replacement. It would be used with 120mm drops. Like to keep the cost low but quality high of course. I just found a 110m bb shimano UN72 for $10 brand new..would it work. Just need some advice from more experienced people.

    Thanks!

  2. #2
    如果你能讀了這個你講中文 genericbikedude's Avatar
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  3. #3
    dead mileage techone's Avatar
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    http://www.businesscycles.com/tr-refspec.htm#b/b

    Depends on which series you have. I have the older 7500 cranks, kind of Campy style-fluted arms and spider, and a 107mm BB.
    un por ciento...

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