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  1. #1
    Faster than yesterday
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    weirdo bb design

    I just pulled apart the bb on my mid-80's raleigh with the intention of overhauling the thing. Taking it apart actually went very smoothly. But I did not find what I had hoped and expected to be in there. Instead of finding cones and cups, I seem to have integrated cone/cup units, which seems really strange to me. I took out the non drive side fine, and the spindle came out. I would just try leaving these things as is, but they really need to be cleaned and regreased. To even get to the drive side bearings, I would have to remove that entire side. Needless to say, this is a huge PITA.

    Any insights? The intgrated cone/cups are stamped "Hatta Japan Pre-Lube". It doesn't seem like I can get the bearings out w/o destroying the unit, i.e. it seems like it was machined as one piece, though I am tempted to try prying it apart.
    Last edited by tadawdy; 06-20-09 at 09:44 AM.

  2. #2
    Rumblefish jtarver's Avatar
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    Those are roller bearings, I don't remember mine looking as though it could be pried apart. The one I had came out without removing both sides. I just soaked the whole works in Carb Cleaner and blew it out with compressed air.
    1973 Crescent Pepita FG, 1987 Panasonic DX-4000, 1991 Trek 1400 FG, 1990's Gary Fisher Hoo-Koo-e-Koo SS, 1990's Denti Road Tech Five, 2009 Surly Long Haul Trucker

  3. #3
    Faster than yesterday
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    Thanks. I kind of figured they shouldn't be taken apart. I was confused because I hadn't heard of them, and a guy at the LBS thought thye were dust caps. I thought he had no clue what he was looking at.

  4. #4
    Peace and bicycle grease! une_vitesse's Avatar
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    Quote Originally Posted by tadawdy View Post
    I just pulled apart the bb on my mid-80's raleigh with the intention of overhauling the thing. Taking it apart actually went very smoothly. But I did not find what I had hoped and expected to be in there. Instead of finding cones and cups, I seem to have integrated cone/cup units, which seems really strange to me. I took out the non drive side fine, and the spindle came out. I would just try leaving these things as is, but they really need to be cleaned and regreased. To even get to the drive side bearings, I would have to remove that entire side. Needless to say, this is a huge PITA.

    Any insights? The intgrated cone/cups are stamped "Hatta Japan Pre-Lube". It doesn't seem like I can get the bearings out w/o destroying the unit, i.e. it seems like it was machined as one piece, though I am tempted to try prying it apart.
    pics please? i've never seen that...
    Ross Mt Hood
    Schwinn Voyageur
    Fuji Cross
    Rossin
    The Nugget

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