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MrGavdobaleena
Dusty
Joined: Feb 13, 2007
Posts: 108
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 Posted: Wed 17th Sep 8:34pm Post subject: Removing Hollowtech Bb, Crank, Help! |
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i am trying to remove my drive side crank arm. i have removed the non drive crank arm, unscrewed the bearing cup (pretty sure that is what its called)as far as it will go and am not too sure what step to do next. am on the net looking how.
i am sure the next step will be easy but feel like an idiot for not knowing it
cheers
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Astoria Paranoia
Wrecked
Joined: Aug 20, 2002
Posts: 5,041
Location: OFF THE COAST OF SOMALIAAA!!
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| Posted: Wed 17th Sep 8:38pm Post subject: |
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Hit it with a hammer
Seriously
Soft headed one on the end of the spindle that should be poking out of your bb shell.
So you don't ruin the other cup I'd put the non-drive side cup back in just so the spindle doesn't skew off when you hit it.
I had to hit mine with a bit of force last time.
Greasing the spindle ftw!
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MrGavdobaleena
Dusty
Joined: Feb 13, 2007
Posts: 108
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| Posted: Wed 17th Sep 8:41pm Post subject: |
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cheers for the quick reply
do i unscrew the bearing cup on the non drive side first or hit the spindle first then unscrew the cups?
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MrGavdobaleena
Dusty
Joined: Feb 13, 2007
Posts: 108
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| Posted: Wed 17th Sep 8:43pm Post subject: |
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tihs you answered that question. sorry will give it a crack
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Astoria Paranoia
Wrecked
Joined: Aug 20, 2002
Posts: 5,041
Location: OFF THE COAST OF SOMALIAAA!!
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| Posted: Wed 17th Sep 8:43pm Post subject: |
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I leave the cups til last.
Just keeps the spindle lined up when I smash it with ze hammer
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MrGavdobaleena
Dusty
Joined: Feb 13, 2007
Posts: 108
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| Posted: Wed 17th Sep 8:45pm Post subject: |
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gave it a good whack, no worries. can carru on with the bike maintenance. worried i may have to retire and watch the netball with my wife.
cheers for the quick reply again
gav
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Astoria Paranoia
Wrecked
Joined: Aug 20, 2002
Posts: 5,041
Location: OFF THE COAST OF SOMALIAAA!!
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| Posted: Wed 17th Sep 8:47pm Post subject: |
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| MrGavdobaleena wrote: | Worried i may have to retire and watch the netball with my wife.
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We wouldn't want that now would we?
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MrGavdobaleena
Dusty
Joined: Feb 13, 2007
Posts: 108
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| Posted: Wed 17th Sep 9:03pm Post subject: |
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yep one of my bearings is stuffed. not too impressed with just over a years use (XT) should i just replace with XT or is there another brand people recommend?
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Macatak
Flogged
Joined: Mar 25, 2007
Posts: 2,915
Location: On my bike
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| Posted: Wed 17th Sep 9:15pm Post subject: |
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Send your buggered BB off to Dougal at Shockcraft and get him to press some Enduro bearings into it 
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Philthy
Dusty
Joined: Apr 01, 2008
Posts: 89
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| Posted: Wed 17th Sep 9:18pm Post subject: |
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Had the same problem with my XT's: about a year of use before i had to replace them. A year later and they seem to be binding again - not too impressed. I have just bought some Enduro bearings that apparently you can press into your existing cups, and they have much better seals, so hopefully life will be good again soon. I bought them off trademe for about half what the LBS charge for XT cups.
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pushbikerider
Mangled
Joined: Mar 25, 2002
Posts: 14,072
Location: No longer Running PNC Like John Gotti
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| Posted: Wed 17th Sep 9:22pm Post subject: |
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| Macatak wrote: | | Send your buggered BB off to Dougal at Shockcraft and get him to press some Enduro bearings into it |
also I would check frame has been faced correctly, os that both bb shell faces are aligned, this will lenthen the life of the BB
I've had well over 2 years out of a shimano XT bb, with frequent use
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MrGavdobaleena
Dusty
Joined: Feb 13, 2007
Posts: 108
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| Posted: Wed 17th Sep 9:24pm Post subject: |
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looked at the shockcraft website but cant get his email address for some reason-can someone please tell em of his contact
cheers
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Monolith
Mangled
Joined: Nov 11, 2005
Posts: 14,240
Location: Sharpening my shanks
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| Posted: Wed 17th Sep 9:25pm Post subject: |
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Just strip the BB and re-grease it every 3 or 4 months...
I have a tihsty raceface BB on my SS, and I strip and repack it about once every 2 weeks. 
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