I believe that yes you do need their new RD developed along with the cassette. Also worth noting is the 10t small cog in back and the 11 sp spacing, ... And a special new freehub body.
On Sep 23, 11:22 am, Bertin753 <bertin...@gmail.com> wrote: > Really? A 42 t cog? What sort of rear dérailleur can handle so big a one? I > suppose that one will need the proprietary SRAM rd? > > That's great news--would allow a 46/34 double with a low in the 20s. > > Patrick Moore > iPhone > > On Sep 23, 2012, at 10:57 AM, James Warren <jimcwar...@earthlink.net> wrote: > > > > > > > > > > > I'm pretty sure that the new Riv model with no cable stop for front > > shifting (and hence no easy way to do a FD) would be a great candidate the > > new cogs that SRAM is coming out with: 11 speed cluster in the rear with 42 > > as the largest one and only one chainring in the front. > > > You could do 34 or 32 as your single front chainring and still pretty much > > have a lowest gear suitable for touring. With a 32 in front, the 32/42 low > > would be very similar to a 24T granny combined with 32T rear cog. With a 34 > > in front, the 34/42 low would be a bit easier than a 24/29. > > > The lack of large outer chainring would provide good real estate for a > > pants guard. Also, I've been riding my 1x11 Alfine QB a lot lately, and > > it's nice to have a wide gear range and no FD. Just a bit less complication > > and a beautiful bare seat tube when you look down. I think it would be even > > better with a rear derailleur instead of IGH. > > > Such a bike would be really sweet. > > > -Jim W. > > > -- > > You received this message because you are subscribed to the Google Groups > > "RBW Owners Bunch" group. > > To post to this group, send email to rbw-owners-bunch@googlegroups.com. > > To unsubscribe from this group, send email to > > rbw-owners-bunch+unsubscr...@googlegroups.com. > > For more options, visit this group > > athttp://groups.google.com/group/rbw-owners-bunch?hl=en. -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To post to this group, send email to rbw-owners-bunch@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
