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Does anyone have actual measurements of a Dura Ace 7700 freehub?



 
 
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  #1  
Old May 31st 07, 08:48 PM posted to rec.bicycles.tech
Thomas Hood
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Posts: 34
Default Does anyone have actual measurements of a Dura Ace 7700 freehub?

The values in the spoke-calc spreadsheet are a nonsense (as most of
the values in there are...)

Thanks,

Thomas Hood

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  #2  
Old May 31st 07, 09:15 PM posted to rec.bicycles.tech
D'ohBoy
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Posts: 548
Default Does anyone have actual measurements of a Dura Ace 7700 freehub?

On May 31, 2:48 pm, Thomas Hood wrote:
The values in the spoke-calc spreadsheet are a nonsense (as most of
the values in there are...)

Thanks,

Thomas Hood



Uhhhh... maybe for Dura Ace... I've only used the Campy values and
those are spot on... And why would you need to know the freehub
dimensions - it has nothing to do with the spoke length calc. Now the
hub body dimensions, on the other hand....

Before you look and sound stupid, think about what you say/write....

D'ohBoy

  #3  
Old May 31st 07, 09:59 PM posted to rec.bicycles.tech
Thomas Hood
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Posts: 34
Default Does anyone have actual measurements of a Dura Ace 7700 freehub?

On May 31, 9:15 pm, D'ohBoy wrote:
On May 31, 2:48 pm, Thomas Hood wrote:

The values in the spoke-calc spreadsheet are a nonsense (as most of
the values in there are...)


Thanks,


Thomas Hood


Uhhhh... maybe for Dura Ace... I've only used the Campy values and
those are spot on... And why would you need to know the freehub
dimensions - it has nothing to do with the spoke length calc. Now the
hub body dimensions, on the other hand....


Oh please! 'Freehub' is the term Shimano themselves use to describe it
(
http://tinyurl.com/2ogjmf ). Jargon it might be, but 'freehub' was
entirely unambiguous in that context.

The spreadsheet calculation functions are useful, the data is not.
I've only measured three hubs: an STX hub, an Ultegra 6500 and an XTR
M965 with flange spacings all ~54mm respectively which are listed as
60.6, 56, and 58.4 respectively.

Before you look and sound stupid, think about what you say/write....

D'ohBoy


Indeed.

Tom


  #4  
Old May 31st 07, 11:26 PM posted to rec.bicycles.tech
Qui si parla Campagnolo Qui si parla Campagnolo is offline
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First recorded activity by CycleBanter: Jul 2006
Posts: 3,259
Default Does anyone have actual measurements of a Dura Ace 7700 freehub?

On May 31, 1:48 pm, Thomas Hood wrote:
The values in the spoke-calc spreadsheet are a nonsense (as most of
the values in there are...)

Thanks,

Thomas Hood


Ya mean flange diameter and center to flange?

45 and 19, I'm pretty sure but I'm at home. Add 2mm for the left side
spokes, 1mm for left side and a OC rim.

  #5  
Old May 31st 07, 11:32 PM posted to rec.bicycles.tech
D'ohBoy
external usenet poster
 
Posts: 548
Default Does anyone have actual measurements of a Dura Ace 7700 freehub?

On May 31, 2:48 pm, Thomas Hood wrote:
The values in the spoke-calc spreadsheet are a nonsense (as most of
the values in there are...)

Thanks,

Thomas Hood



Uhhhh... maybe for Dura Ace... I've only used the Campy values and
those are spot on... And why would you need to know the freehub
dimensions - it has nothing to do with the spoke length calc. Now the
hub body dimensions, on the other hand....

Before you look and sound stupid, think about what you say/write....

D'ohBoy


  #6  
Old June 1st 07, 01:10 AM posted to rec.bicycles.tech
john
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Posts: 129
Default Does anyone have actual measurements of a Dura Ace 7700 freehub?

On May 31, 12:48 pm, Thomas Hood wrote:
The values in the spoke-calc spreadsheet are a nonsense (as most of
the values in there are...)

Thanks,

Thomas Hood


I'm not clear on which spoke length spreadsheet you are trying to use,
but this one has worked perfectly for me for every wheel I have built.
I also usually use @ least 1 other method as a double check, before I
order spokes, since there is no return of spokes.

http://sheldonbrown.com/rinard/spocalc.htm

Hope this helps, John

  #7  
Old June 1st 07, 02:50 AM posted to rec.bicycles.tech
D'ohBoy
external usenet poster
 
Posts: 548
Default Does anyone have actual measurements of a Dura Ace 7700 freehub?

On May 31, 2:48 pm, Thomas Hood wrote:
The values in the spoke-calc spreadsheet are a nonsense (as most of
the values in there are...)

Thanks,

Thomas Hood



Uhhhh... maybe for Dura Ace... I've only used the Campy values and
those are spot on... And why would you need to know the freehub
dimensions - it has nothing to do with the spoke length calc. Now the
hub body dimensions, on the other hand....

Before you look and sound stupid, think about what you say/write....

D'ohBoy


  #8  
Old June 1st 07, 03:22 AM posted to rec.bicycles.tech
D'ohBoy
external usenet poster
 
Posts: 548
Default Does anyone have actual measurements of a Dura Ace 7700 freehub?

On May 31, 2:48 pm, Thomas Hood wrote:
The values in the spoke-calc spreadsheet are a nonsense (as most of
the values in there are...)

Thanks,

Thomas Hood



Uhhhh... maybe for Dura Ace... I've only used the Campy values and
those are spot on... And why would you need to know the freehub
dimensions - it has nothing to do with the spoke length calc. Now the
hub body dimensions, on the other hand....

Before you look and sound stupid, think about what you say/write....

D'ohBoy


  #9  
Old June 1st 07, 03:28 AM posted to rec.bicycles.tech
D'ohBoy
external usenet poster
 
Posts: 548
Default Does anyone have actual measurements of a Dura Ace 7700 freehub?

On May 31, 2:48 pm, Thomas Hood wrote:
The values in the spoke-calc spreadsheet are a nonsense (as most of
the values in there are...)

Thanks,

Thomas Hood



Uhhhh... maybe for Dura Ace... I've only used the Campy values and
those are spot on... And why would you need to know the freehub
dimensions - it has nothing to do with the spoke length calc. Now the
hub body dimensions, on the other hand....

Before you look and sound stupid, think about what you say/write....

D'ohBoy

  #10  
Old June 1st 07, 03:48 AM posted to rec.bicycles.tech
DirtRoadie
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Posts: 2,915
Default Does anyone have actual measurements of a Dura Ace 7700 freehub?

On May 31, 1:48 pm, Thomas Hood wrote:
The values in the spoke-calc spreadsheet are a nonsense (as most of
the values in there are...)


My measurements:
Hub flange spacing = 54.2 mm.
Hole PATTERN diameter = 44.0 mm.
Hub HOLE diameter (each) = 2.3 mm.
Axle length (between dropouts) = 130.3 mm.
Hub flange to inside of dropout = 47.0 mm.

DR


 




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