Bike Forums - View Single Post - Replacement BB support cup for UN73
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Old 06-21-09, 05:22 PM
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z415
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Bikes: Trek 1000, two mtbs and working on a fixie for commuting.

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I think newer Shimano BBs now reverted and come with the metal cups. If you plan on retaining the square taper style, I would just get a new bb and use the one from that.
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