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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 01-17-05, 09:58 AM   #1
luke.harrison
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Ultegra Dobule for fixed?

Hi,
Im working on my first conversion and have a line on a cheap 2003 ultegra double crankset.
Im trying to figure out if this will work with my chainline.
Ill be runing a surly hub and a durace rign from sheldon gives me a ~43mm chainline.
So the quesiton is with a 109.5mm octalink bb whihc gives a 43.5mm chain to the middle of the crankset... Which leaves the inner right around 40? Do you think this would work or do I have to find the xtr octalink bb at 112mm?

thanks
luke.
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Old 01-17-05, 10:41 AM   #2
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Is it a double or a triple? Running a road double with its specified BB length will result in a 42-43mm chainline for the inner ring. I just did this with a Sugino road double, 107mm BB, and a Suzue basic hub. Works great.
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Old 01-17-05, 10:47 AM   #3
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I think the XTR splines are thicker and won't work with Shimano road cranks.
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Old 01-17-05, 01:33 PM   #4
luke.harrison
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OK that's what I was hoping, that the stock double would line up on the inner ring... Thanks!
Actaully as i discovered while researching this XTR uses shimano's road spline, while XT/LX use the fatter different spline (silly eh)
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