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PostPosted: Wed Jun 13, 2012 1:14 pm 
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Joined: Tue Apr 12, 2011 8:08 am
Posts: 2292
Location: Pedal Square
Are the DA7900 rear hub measurements the same as the Ultegra 6700? My spoke calculator only knows about the DA. Thanks.

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Bikes: Raw Ti, 650b flatbar CX


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PostPosted: Wed Jun 13, 2012 5:14 pm 
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Joined: Wed Feb 15, 2012 7:11 am
Posts: 35
Dura ace hubs are significantly different from Ultegra and other levels. 6700 should be the same as 6600.


"http://www.shimano.com/publish/content/global_cycle/en/us/index/tech_support/tech_tips.download.-Par50rparsys-0034-downloadFile.html/07)%20Hub%20Specs.pdf"


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Posted: Wed Jun 13, 2012 5:14 pm 


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PostPosted: Thu Jun 14, 2012 12:47 pm 
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Joined: Fri Aug 27, 2010 4:22 pm
Posts: 181
I built my training wheels up with a 6700 rear hub and came up with these measurements -

Centre to NDS Flange - 34mm
Centre to DS Flange - 17mm

Spoke hole circle - 47mm (outer to outer, centre to centre would be 45mm)
Spoke hole diameter - 2.3mm

Weight - 354g

Hope that helps.

Alex

EDIT - Interesting that it's different. I'm wondering if I measured in a different way to Shimano as I measured centre to the near side of the flange. If you add the 3mm for flange width you get a similar result to the Shimano tech doc for 6600.


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PostPosted: Tue Jun 19, 2012 5:20 pm 
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Joined: Tue Apr 12, 2011 8:08 am
Posts: 2292
Location: Pedal Square
Ok thanks everyone. I found another place that had the FH-6700 same as the 6600 from the tech docs, so I went with that. Fingers crossed ...

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Bikes: Raw Ti, 650b flatbar CX


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