I am thinking of building a single speed bike myself (with all the good new frames/parts available on the internet)
I have pulled apart many bikes over 20 years and have a good mechanical aptitude
but i am not sure about the chainline and how you line up a front spocket with rear cog
are most popular sprockets/cranks similar offsets?
or will i just have to trial and error with spacers on the rear axle?
thanks
can the chainline be a problem when building a fixie
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- darkhorse75
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Re: can the chainline be a problem when building a fixie
Postby darkhorse75 » Mon Jan 03, 2011 2:47 am
Most track hubs will give a chainline of about 42mm give or take a mm, your job is to come up with a bottom bracket length and crank combo that comes as close to this as possible. easy.
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Re: can the chainline be a problem when building a fixie
Postby drubie » Mon Jan 03, 2011 6:19 pm
Where's the fun in that? I thought it was supposed to be trial and error, a bag full of mis matched parts you found / ebayed / scored from the tip etc., some spare time, some spacers, a spoke tool and a set of cone spanners. It's impossible to take more than 15 minutes to get a working chain line even if you're using re-purposed road parts, as long as you know how to true a wheel and can adjust a bearing cone.darkhorse75 wrote:Most track hubs will give a chainline of about 42mm give or take a mm, your job is to come up with a bottom bracket length and crank combo that comes as close to this as possible. easy.
Trial and error FTW!
So we get the leaders we deserve and we elect, we get the companies and the products that we ask for, right? And we have to ask for different things. – Paul Gilding
but really, that's rubbish. We get none of it because the choices are illusory.
but really, that's rubbish. We get none of it because the choices are illusory.
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Re: can the chainline be a problem when building a fixie
Postby HappyHumber » Mon Jan 03, 2011 6:37 pm
+1drubie wrote:Trial and error FTW!
But you do take all the magic out of it, Droobs....
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Re: can the chainline be a problem when building a fixie
Postby aaron » Tue Jan 04, 2011 1:26 pm
Yes it can
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