Franken Fixie.......
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Franken Fixie.......
Postby Lark2004 » Thu May 28, 2009 9:50 pm
A few days ago I built up an old Univega MTB frame as a SS and it's turned out to be a fun bike to ride, the point of that one was to sort of test the waters, without spending any money or wasting heaps of time..... ( I had enough parts sitting around in the garage)
So now I am starting to gather bits for a fixie....most of which I now have.
A frame
A flip flop hub with an old freewheel stuck on it (may have to get a bit brutal in order to remove it)
It's a 40 hole hub, so I have to go looking for a 40 hole rim, I am thinking of contacting Velocity and seeing what they can do.
Now, here comes the small issue with what I have...... the BB shell on the frame is stuffed. The threads are stripped on the drive side (I got the frame for free, probably the reason why).
So I am thinking of cutting it out and welding in a BB shell from a BMX....and fitting the BMX one-peice cranks (there's a huge range of chainrings that I can fit to these for next to nothing).
And while I'm at it, maybe welding these into the back of the frame too
Thoughts?
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Re: Franken Fixie.......
Postby aerohydro » Thu May 28, 2009 10:31 pm
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Re: Franken Fixie.......
Postby Lark2004 » Thu May 28, 2009 10:48 pm
Also, I was thinking with the rear fork ends, I can use some of these...
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Re: Franken Fixie.......
Postby super_simian » Fri May 29, 2009 12:27 am
There is a BB available with a soft-ish plastic sleeve to overcome this very problem, the idea is that it self-taps into whatever remains of the thread. They are useful also for people with french threaded BB shells, instead of re-tapping etc.Lark2004 wrote:Now, here comes the small issue with what I have...... the BB shell on the frame is stuffed. The threads are stripped on the drive side (I got the frame for free, probably the reason why).
So I am thinking of cutting it out and welding in a BB shell from a BMX....and fitting the BMX one-peice cranks (there's a huge range of chainrings that I can fit to these for next to nothing)
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Re: Franken Fixie.......
Postby aerohydro » Fri May 29, 2009 4:39 pm
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Re: Franken Fixie.......
Postby Lark2004 » Fri May 29, 2009 4:54 pm
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Re: Franken Fixie.......
Postby aerohydro » Fri May 29, 2009 7:41 pm
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Re: Franken Fixie.......
Postby Mulger bill » Fri May 29, 2009 11:00 pm
Oooohh, likin' the sound of that, got any details please?super_simian wrote:There is a BB available with a soft-ish plastic sleeve to overcome this very problem, the idea is that it self-taps into whatever remains of the thread. They are useful also for people with french threaded BB shells, instead of re-tapping etc.
Shaun
London Boy 29/12/2011
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Re: Franken Fixie.......
Postby munga » Sat May 30, 2009 7:02 pm
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Re: Franken Fixie.......
Postby brauluver » Sat Jul 04, 2009 7:34 pm
Any pics?
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Re: Franken Fixie.......
Postby Lark2004 » Sat Jul 04, 2009 9:03 pm
I did get the frame cut and filed...it looks like it will work ok, I've modified things a little, by raising the BB shell up a bit. It raises the centre of the bb about 6 or 7 mm higher than the original BB...... might help a little bit in cornering, not too sure yet. I'll find out soon enough, hopefully.
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Re: Franken Fixie.......
Postby brauluver » Tue Jul 20, 2010 10:15 pm
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Re: Franken Fixie.......
Postby Lark2004 » Thu Jul 22, 2010 6:27 pm
I have got my Repco superlight filling my singlespeed / fixed gear needs at the moment, and I have a Tange Aero track frame waiting to get made up when time and money permits.... so the franken fixie will probably never see the light of day.
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