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  1. #1
    Newbie
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    Apr 2011
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    Bottom Bracket Advice needed

    I'm changing the bottom bracket on my bike from the cup and cone type to a sealed unit type, as the cups/bearings are worn and are making a bit of noise.
    I know how to repair/overhaul the cups and bearings so that is no problem.

    But I've never fited a sealed unit type before, so I don't know what I need to buy to get this done properly. I have a good tool kit, it's just the spares that I don't know about.

    Do I just but a sealed unit an thats it, or do I need to buy anything else?

    Thanks for any help on this.

  2. #2
    Senior Member CACycling's Avatar
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    Feb 2008
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    Oxnard, CA
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    '08 Fuji Roubaix RC; '07 Schwinn Le Tour GS; '92 Diamond Back Ascent EX
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    You'll need the BB tool (probably Park BBT-22 if you go Shimano) and, of course, crank puller. That's it.

  3. #3
    Senior Member
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    Work in Asia, now based in Vienna, VA
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    You don't mention it, but the key is to assure that the new BB spindle is the correct length for your crank set.

    Beyond that, these are easy to install. You say you can do loose ball and cups, then this'll be a breeze.

    Post photos!
    1959 Hilton Wrigley Connoisseur (still my favorite!)
    1963 Hetchins Mountain King (the gravel grinder)
    1971 Gitane Tour de France (The War Horse)
    1971 Gitane Super Corsa (The Garage Queen)
    1980 Ritchey Touring (The Grail Bike)
    1984 Tom Ritchey Team Competition (NOS show bike)
    (replacing the stolen 1981 Tom Ritchey Everest custom)

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