B
Bleve
Guest
Sheldon Brown wrote:
> carl.I.brewer worried:
>
> > Perhaps current 10sp Shimano Ultegra cassettes are just
> > not suitable on 9sp pattern Al alloy hubs at all? If that's the case,
> > and now I have two examples of this, then I'd say it's fair to suggest
> > that Trek has shipped a part with my bike that is not suitable for it.
> > What's your opinion Sheldon?
>
> I wouldn't expect there to be a serious problem with _Ultegra_ cassettes
> on such a hub, since they use spiders for the larger sprockets, but
> would expect a problem if you substituted one of the cheaper cassettes,
> such as 105 or LX, on the alumin(i)um body.
Here are the photos :
http://www.aboc.com.au/images/galleries/20060116-bontrager-freehub/
In particular, see this one :
http://www.aboc.com.au/images/galleries/20060116-bontrager-freehub/DSCF6998.html
That's done 7,400 km, with the original Ultegra 12:25 (~5,000km) and
then an Ultegra 12:27 (~2,000km) cassette (both 10sp) on it.
> carl.I.brewer worried:
>
> > Perhaps current 10sp Shimano Ultegra cassettes are just
> > not suitable on 9sp pattern Al alloy hubs at all? If that's the case,
> > and now I have two examples of this, then I'd say it's fair to suggest
> > that Trek has shipped a part with my bike that is not suitable for it.
> > What's your opinion Sheldon?
>
> I wouldn't expect there to be a serious problem with _Ultegra_ cassettes
> on such a hub, since they use spiders for the larger sprockets, but
> would expect a problem if you substituted one of the cheaper cassettes,
> such as 105 or LX, on the alumin(i)um body.
Here are the photos :
http://www.aboc.com.au/images/galleries/20060116-bontrager-freehub/
In particular, see this one :
http://www.aboc.com.au/images/galleries/20060116-bontrager-freehub/DSCF6998.html
That's done 7,400 km, with the original Ultegra 12:25 (~5,000km) and
then an Ultegra 12:27 (~2,000km) cassette (both 10sp) on it.