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 Post subject: Re: Steerer extenders?
PostPosted: Thu Jan 31, 2013 5:43 pm 
retrobike rider
retrobike rider
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Joined: Tue Jul 14, 2009 7:52 pm
Posts: 1904
Location: Trancecentral
I've used one it's good so far, here's the original write up.

http://www.retrobike.co.uk/forum/viewtopic.php?f=1&t=235105


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 Post subject: Re: Steerer extenders?
PostPosted: Fri Feb 01, 2013 12:21 pm 
Old School Hero
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Joined: Sat Dec 16, 2006 11:24 pm
Posts: 191
Location: Netherlands
@senri:

I had a BBB extender in a Fox fork once. The problem I found was that the steerer tube on the fox fork is tapered on the inside. (so on the top it has a larger inside diameter then on the bottom). The extender was designed for a straight inside steerer tube.
This meant I had to cut down the extender to get it in deep enough; also file of the bottom part of the extender so it would match better with the tapered inside; and finally I decided to add a long bolt and cap to secure the whole thing from the bottom.
I added that last step because it was an all mountain type of bike that I also used in bike parks, so didn't want to take any chances. It never failed on me, headset (cane creek) never came loose. I used it for about 3 years like that.
But now I got a different fork (with full steerer) for the All Mountain frame and the Fox fork has moved on to a frame where it just fits.


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 Post subject: Re: Steerer extenders?
PostPosted: Sat Feb 02, 2013 8:22 pm 
Retro Guru
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Joined: Sat Feb 14, 2009 12:49 am
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Location: Nederland
Hi Wytze,

That are some good tips! I didn't think that the steerer was tapered, but I didn't really check it either, so that will be the first thing I will do. I have used only a few rings on top, so I guess the big bolt will stick out the bottom, which is a good place to attach another bolt from the bottom. Was that that also how you secured it from below?


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 Post subject: Re: Steerer extenders?
PostPosted: Sun Feb 03, 2013 5:29 pm 
Old School Hero
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Joined: Sat Dec 16, 2006 11:24 pm
Posts: 191
Location: Netherlands
Can't remember anymore. But I do remember that the aluminium 'nut' on the bottom of the extender wasn't good enough either; the thread comes out if you try to really tighten things up even though I greased it up properly. So I had replaced it with something else, probably something from a different stem.


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 Post subject: Re: Steerer extenders?
PostPosted: Sun Feb 24, 2013 3:51 pm 
Retro Guru
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Joined: Sat Feb 14, 2009 12:49 am
Posts: 516
Location: Nederland
Does anyone has an extender at hand? I like to make a provision from the bottom so it doesn't loosen anymore, but my bike is in Italy at the moment. What is the size of the big bolt? M8? Thanks!


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 Post subject: Re: Steerer extenders?
PostPosted: Mon Feb 25, 2013 4:55 pm 
Old School Hero
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Joined: Sat Dec 16, 2006 11:24 pm
Posts: 191
Location: Netherlands
the BBB version is M8, BUT not sure about other extenders, AND not sure if the BBB ones are different from other years.


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 Post subject: Re: Steerer extenders?
PostPosted: Mon Feb 25, 2013 7:19 pm 
Retro Guru
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Joined: Sat Feb 14, 2009 12:49 am
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Location: Nederland
Wytze wrote:
the BBB version is M8, BUT not sure about other extenders, AND not sure if the BBB ones are different from other years.


Thanks! Mine is a BBB and it is what I already guessed.


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