Singlespeed & Fixed Gear - motobecane singlespeed convert
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10-07-07, 08:16 PM
so im planning on converting my 70s motobecane nomade into a single speed. it has rigida rims. how would i go about getting the cassette off since i can not find a freewheel puller that will work on it?
10-07-07, 08:41 PM
what kind of cassette is it? Finding the appropriate freewheel tool really helps. Did you try taking the wheel to your LBS? They tend to have lots of different freewheel tools. Since you just need it removed once you can have them bust it off and that will be the end of it. If that fails to produce results, go to park tool.com and open the repair help section. There are instructions for destructive free wheel removal(your freewheel is toast but it is off the wheel)
10-07-07, 09:16 PM
kind of not at all an answer, but i just brazed dropouts on an extra motobecane last night.http://img.photobucket.com/albums/v625/Thiscarcrash1/DSC03595.jpg
10-07-07, 09:23 PM
neat, I have a torch and have done some brazing but I don't know how to go about aligning dropouts and whatnot. Nor do I really need to know at the moment either, it is just interesting.
10-07-07, 09:24 PM
yea. i started doing it on a whim on my old leTour. i've done about six local frames since. its pretty simple once you get the hang of it.
10-07-07, 09:53 PM
well, i was planning on still using the cassette, just removing the other cogs and using some spacers. how do you get the cogs off of the cassette?
10-08-07, 11:56 AM
10-08-07, 12:15 PM
your wheel either has a cassette or a freewheel, they are not the same. since it's old it's almost certainly a freewheel. that means you can't take it apart and remove cogs like you describe, that only works with a cassette.
a)take it off with the appropriate tool,
b)try to pry it off with something (probably wont work)
c)go to the park tool site and read about destructive freewheel removal,
d)just wrap the chain around whichever cog yields a straight chainline or
e)replace the wheel.
those are your options.
10-08-07, 12:36 PM
what are the cons to just using the straigtest chainline and leaving the freewheel on?
10-08-07, 12:45 PM
if it lines up right, you keep your chain taut and you tighen your quick release down hard, the only downside is a little extra weight.
10-08-07, 02:45 PM
thanks a ton, man. one last question: i have semi horizontal dropouts. I dont need a chain tensioner in this case, right?
10-08-07, 02:59 PM
sure thing. you probably wont need a tensioner, but if you're unlucky with chain length you might need a half link. give it a shot first.
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