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Bottom Bracket Removal Help

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Bottom Bracket Removal Help

Old 08-17-13, 05:31 AM
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Tini.AD
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Bottom Bracket Removal Help

Hi everyone!

I'm having a bit of trouble with my bottom bracket. I watched a few related Youtube videos however none seem to have my configuration. Removing everything seems to have gone well so far but I've gotten stuck, not sure where to go from here.

I've attached photos of how the bike looks at the moment, any help on what to do next would be most welcome.

Thanks for any replies in advance.

Andy
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Old 08-17-13, 05:55 AM
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You have an Shimano Octalink BB see the Park Tools repair help for how too guides http://www.parktool.com/blog/repair-...et-service-bbt

For the specific tool needed, either a Park BBT-22/32 or similar cartridget BB tool, which just about every bike tool manufacture makes. Plenty of videos on Youtube as well if you search.
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Old 08-17-13, 06:06 AM
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I'm sorry I forgot to say before the bike is a Specialised Sirrus Comp
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Old 08-17-13, 08:26 AM
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Originally Posted by Tini.AD View Post
I'm sorry I forgot to say before the bike is a Specialised Sirrus Comp
That doesn't matter. What does matter is the bb and, as jimc101 stated it's a Shimano Octalink and uses a Park BB-22 or similar remover. BTW, to keep the remover from slipping, clamp it in place with a quick release skewer threaded through the hollow spindle and the remover.
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Old 08-18-13, 04:52 PM
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Did anyone notice that the OP has already removed the non-drive crank? Would this not indicate that he has the tool and knowledge to remove the drive side crank arm also? I thinking the OP is more interested in removing the bottom bracket, not the crank. Looking at the non-drive side I'm not seeing any teeth that match up with a Park BB-22 crank tool; or maybe it's just the quality of the photo.
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Old 08-18-13, 04:59 PM
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Originally Posted by onespeedbiker View Post
Did anyone notice that the OP has already removed the non-drive crank? Would this not indicate that he has the tool and knowledge to remove the drive side crank arm also? I thinking the OP is more interested in removing the bottom bracket, not the crank. Looking at the non-drive side I'm not seeing any teeth that match up with a Park BB-22 crank tool; or maybe it's just the quality of the photo.
If the crank is an Ultegra or Dura Ace, it has self extracting bolts so no special tool is needed to pull the crank arm other than an 8 mm hex key. I agree the splines the bb remover engages are not apparent in the photo but they have to be there.
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Old 08-18-13, 07:06 PM
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This won't be Ultegra or DA, this is a mountain bike; that crank looks to me to be an XT (had one, loved it), and won't self-extract.

Crank puller with the larger "button" on the end will take it right off -- the non-drive side may be off because it worked loose on its own, like mine did. That was the downfall of my XT crankset.
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Old 08-18-13, 08:05 PM
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Originally Posted by DX-MAN View Post
This won't be Ultegra or DA, this is a mountain bike; that crank looks to me to be an XT (had one, loved it), and won't self-extract.

Crank puller with the larger "button" on the end will take it right off -- the non-drive side may be off because it worked loose on its own, like mine did. That was the downfall of my XT crankset.
The Sirrus Comp is a hybrid/road bike..the cranks looks to be a Shimano M-440, which takes an Octalink V2.

Last edited by onespeedbiker; 08-18-13 at 08:11 PM.
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Old 10-23-13, 02:56 PM
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Thanks for all the responses! I've been really busy with work and completely forgot to check this. It turned out I was just unfamiliar with the tool at the time. I didn't properly tighten it, missing the threads. Did a decent bit of damage to the threads but have since learned how to use the tool much better (well enough I can do it with partially ruined threads).

In case anyone is wondering when using a crank puller the tool must be threaded into the crank pretty securely before prying the crank off...

Sorry for the faff from my stupid mistake and forgetfulness and thanks again!
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