Thanks for the info Carsten i am now armed with some facts for wheelcraft to
supply the
right spokes for the build.
Richard
--- In birdybike@yahoogroups.com, "carsten_thies" <c.thies@...> wrote:
>
> --- In birdybike@yahoogroups.com, "rikrog" <rikrog@> wrote:
> >
> > I am currently working on shoehorning a Roholff 14 speed hub onto
> the birdy. I'm
> > wondering if anyone on the forum has attempted this?
> >
> > I have the hub (thank-you ebay!) And it's taken months to find! but
> eventually i managed
> > to scrounge a 18" rim from the nice chaps at ICE Recombants.. I'm
> now looking into spoke
> > gauges and lengths for the wheel build.
>
> 1 cross
>
> do not cross over the screws of the lid (left flange), cross between them
>
> In order to avoid a sharp bend in the spokes where they enter the
> nipples, use spherical head nipples (Sapim Polyax or DT ProHead).
> These are only available for 2.0 mm / 14 gauge spokes as of yet.
>
> The DT Swiss spoke calculator (directly linked from the bottom left
> hand tool of http://www.dtswiss.com/index.asp)contains both the DV15
> 18" rim and the Rohloff Speedhub and calculates 130.0 mm.
> My own calculation is 129.85 mm for 1000 N spoke tension.
>
> The Rohloff Speedhub's spoke holes are small (2.5 mm), so plain 14
> gauge spokes will do.
> (For nitpickers: There is a tandem specific version with 2.7 mm spoke
> holes where single butted spokes should be used, and on the other
> extreme in at least one red powder coated Speedhub the spoke holes are
> so small so you actually have to screw the spokes' threads through them.)
>
> \_|
> O°O Carsten
>