On Jun 1, 9:59 am, "Andrew Lee" <whatsupandrewathotmaildotcom> wrote:
> Thomas Hood wrote:
> > The values in the spoke-calc spreadsheet are a nonsense (as most of
> > the values in there are...)
>
> Spocalc is off for the 7700 hubs, I don't know about other hubs.
>
> I measured 34.4 mm for the distance from the center of the left flange to
> the center of the hub, and 19.7 mm for the right flange dimension. I also
> measured 44.0 mm for the diameter of the spoke hole pattern (same as
> spocalc). Even if you use the spocalc listed values for the 7700, you won't
> be far off in the spoke length calculation (0.1 or 0.2 mm) because spoke
> hole pattern diameter is correct.
>
> The 7700 front hub dimensions are also different from the "Shimano Dura-Ace
> low flange" values listed in spocalc. I measured 71 mm for the flange
> spacing vs. the 74 mm listed in the spocalc.
>
> Andrew
That's smashing chaps -- many thanks to DirtRoadie and yourself.
Tom