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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 04-13-09, 06:49 AM   #1
brilobite
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What cog will give 45mm chainline?

The crank I'm using provides a 45mm chainline. What cog or hub/cog combined will give me a 45mm chainline?
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Old 04-13-09, 07:00 AM   #2
Steev
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What is the chainline for your hub? It might be easiest to get a shorter BB spindle than stuff around with finding a different hub.
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Old 04-13-09, 11:11 AM   #3
Wil
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Look to Sheldon

http://www.sheldonbrown.com/chainline.html

To determine chainline, you add the chainline figures from the hub and sprocket sections.

Sheldon's chart does not include Paul's Track hub, which is spec'd to yield a 44mm chainline. Not quite 45, but pretty close.

http://www.paulcomp.com/highflangerear.html
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Old 04-13-09, 11:57 AM   #4
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A cog with 3 mm of spacers between the cog and hub.

Are you using a Sugino RD? Not to get off topic, bit I think it's really cool that Sugino decided to to offer that crankset in bunch of different anodized colors and didn't even try to fix the chainline issue. Smooth move.

A few mm difference in chainline isn't that much of an issue, especially if you're running a mix match drivetrain.

Last edited by lukewall; 04-13-09 at 12:02 PM.
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