Mountain Bikes · Public discussion

Remove bottom bracket (splines broken)

Started by LUPro · · Last activity · 2 posts · 1,985 views

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Mountain Bikes
Published
2 October 2003
Last activity
2 October 2003
Original author
LUPro
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2
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  1. In trying to replace the original bottom bracket on my raleigh bike i managed to break/mangle the splines on the non-drive (left) side. The right side is still ok but i was under the impression that the left cup should come out first.

    Does any one have any suggestions on how i might proceed to get my bb off?

    Aaron

  2. Quoted post said:

    Originally posted by LUPro
    In trying to replace the original bottom bracket on my raleigh bike i managed to break/mangle the splines on the non-drive (left) side. The right side is still ok but i was under the impression that the left cup should come out first.

    Does any one have any suggestions on how i might proceed to get my bb off?

    Aaron

    The order you take them off doesn't matter.
    The direction you turn them does matter, of course.
    There is a great set of instructions, including pictures, at the Park Tool Website at URL:
    http://www.parktool.com/repair_help/FAQcartdg.shtml
    You might be able to save things by going to the right side and getting everything else out. You might be able to remove the left side by "breaking it" while still saving the frame's BB threads.
    David Ornee, Western Springs, IL

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