Technical & Reference Section > Tech and Restoration

Bottom bracket cock up!!!

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Bob_Acid:
Won't the spindle/bearings come out? i'd take everything off i could get off then soak the bastard in wd maybe then hit it with mole grips and a scaffold pole? sounds like the thread's fooked though

Del:
just a thought... is one of the sides reverse thread? if so have you might have been tightening it rather than loosening it?

Moschops:
Hi Del, double checked that.
It's been basted in WD like a xmas turkey. Mole grips it is  :daumenhoch:
It's just chuffin stuck!!!

TwoBobRob:
Yep!  That's fcuked!!   ;D ;D ;D


Right,  axle out, bearing out. Get hold of a hacksaw and cut some slots into the inside of the cup - be sure not to cut so deep that you damage the BB shell though.

Next, hammer and a good sturdy punch or drift of some sort and strike on the edge of the bb towards the centre of the shell. You should be able to collapse or break the ally bb and it'll either break loose and start turning again, or it'll come out in bits.

If you do this carefully the steel BB shell won't be damaged at all - you will be able to clean up the threads and all will be well   :daumenhoch:

Moschops:
Sounds like a plan.

Bearings out??? just hit em???

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