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  1. #1
    Senior Member
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    Need a new bottom bracket

    Where can I purchase just the bottom bracket? I am in the process of constructing a velomobile and need just the bottom bracket for the crank. I know I could buy a bike and cut it off to use, but there are few bicycles around in my area at pawn shops.

    Would this be what I am looking for and it so, what size would I need to get? Thanks

  2. #2
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    Your link isn't for a bottom bracket, but the center section of a HT2 Bottom BRacket.

    You haven't said what type you need, there are Square Taper, Ocatlink, ISIS, HT2 and many others, you need to be more specific about your needs /type of crank you are using.

    You have listed you are in Nashville, just Google searching brings up 7 bikes shops in Nashville; have you tried any of them?

  3. #3
    Senior Member
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    Are you looking for a bottom bracket (spindle, cups and bearings) or a bottom bracket shell, i.e. the part of the frame the bottom bracket screws into? If you are looking for a bb shell, a local frame builder should have a source or look at the "Frame Builders" forum here for recommendations.

  4. #4
    Senior Member
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    Quote Originally Posted by HillRider View Post
    Are you looking for a bottom bracket (spindle, cups and bearings) or a bottom bracket shell, i.e. the part of the frame the bottom bracket screws into? If you are looking for a bb shell, a local frame builder should have a source or look at the "Frame Builders" forum here for recommendations.
    I was looking for the bottom bracket shell. I didn't know what that was called. I need the shell so that I can install the crank on the front of the frame. Thanks for the info! I found one right here!

  5. #5
    Senior Member Homebrew01's Avatar
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    Probably simplest if you get one with English threads. I can't tell if that one's threaded or not.

    Edit. 68 mm, English thread is very common.
    Last edited by Homebrew01; 10-14-11 at 01:51 PM.
    Bikes: Old steel race bikes, old Cannondale race bikes, less old Cannondale race bike, crappy old mtn bike

  6. #6
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    Yep. So far, I have gotten the back axle connected to the seat, lower, and upper booms. I am waiting on the suspension springs, wheels, and now the bottom bracket shell to arrive before I can continue.



    Last edited by pletcgm; 10-14-11 at 02:14 PM.

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