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BB extraction tool for Lapierre
http://www.essexhertsmtb.co.uk/mountain-bike-kit-equipment/extraction-tool-for-lapierre-t4106.html
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Author:  Neil [ Fri Mar 01, 2013 5:04 pm ]
Post subject:  BB extraction tool for Lapierre

Has anyone got a BB extraction tool i could borrow or hire. I made an attempt at making one but it didnt work out and i cant get the old bottom bracket out and damaged the bearing so i cant use the bike in the meantime. Pretty desperate as i want to get out this weekend. Any help appreciated

Author:  VW-surfbum [ Fri Mar 01, 2013 5:20 pm ]
Post subject:  Re: BB extraction tool for Lapierre

Is it a innie or a outie?
What BB is it?
I have both tools, where are you based?

Author:  Neil [ Fri Mar 01, 2013 6:11 pm ]
Post subject:  Re: BB extraction tool for Lapierre

It's a shimano xtr bb91-41

http://www.bike24.com/p213404.html

Not sure what you mean by innie and outie but it sits on the outside of the bb shell with a couple of millimetres of lip and there is about a millimetre of exposed shell all around

Author:  Neil [ Fri Mar 01, 2013 6:13 pm ]
Post subject:  Re: BB extraction tool for Lapierre

I am in harlow I believe you are Brentwood I am really desperate so don't mind travelling over at your soonest convenience

Author:  VW-surfbum [ Fri Mar 01, 2013 6:39 pm ]
Post subject:  Re: BB extraction tool for Lapierre

Sorry neil thats a press fit one, you could ask Eccles I believe he has the tool? Or a good punch and hammer? But ive never done one like that???

Author:  Eccles [ Fri Mar 01, 2013 7:34 pm ]
Post subject:  Re: BB extraction tool for Lapierre

You should be able to remove and refit using headset tools. Chatman has mine at the moment but you're welcome to borrow them. You can remove the cups from the frame using a long 10mm allen key and a hammer, carefully tapping at 12, 6, 3 and 9 o'clock positions. Don't use a screw driver as that will scratch the frame.
To refit using a headset press I would advise using 2 blocks of wood with holes in them for the press screw thread to go tjrough. The standard press sizings will push on the wrong part of the bearing and render it unusable.

Author:  nwmlarge [ Fri Mar 01, 2013 9:30 pm ]
Post subject:  Re: BB extraction tool for Lapierre

Pedalworx nick should be able to sort it

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