There are definitely several ways to design a bike that is 'stiff
enough' for the application.  I'm a fan of that long mixte look also,
but I like the 2TT look, too.  For whatever reason, the one that I
visually don't like at all is the curvy tube beach-cruiser look.

On May 5, 4:58 pm, eflayer <eddie.fla...@att.net> wrote:
> i am not a loaded tourer.  Aesthetically, given a choice, I'd choose
> that "mixte" approach to stiffening way before the "current" Riv
> approach to double top tubes.
>
> On May 5, 2:22 pm, William <tapebu...@gmail.com> wrote:
>
>
>
> > The 2TT has almost nothing to do with strength and almost everything
> > to do with stiffness under cargo load.
>
> > A campeur didn't get extra tubes because Randonneurs were breaking
> > their frames:
>
> >http://www.flickr.com/photos/bicigirl/4037516334/
>
> > A stiffer frame just responds to load better.  My 56 Hillborne is
> > really floppy when my saddlesack Large is stuffed and I'm out of the
> > saddle.  The whole frame twists from that rocking load.  If you never
> > load the Sam with cargo, you'll likely never notice and never need
> > it.  I considered trying to buy the 2TT lugs that Riv built for the
> > Hunqa so I can have a second top tube installed if I ever repaint my
> > Sam.  I'm glad they are offering the option.  In the meantime I'm
> > buying a Hunqa, and have a Bombadil, so I'll set up the Sam lighter,
> > more like a road bike so it wont need the stiffening, as you pointed
> > out.
>
> > On May 5, 11:29 am, MichaelH <mhech...@gmail.com> wrote:
>
> > > Me too.  I can't think of any reason to put a double top tube on a
> > > road bike, and even on a mt. bike it is overkill for all but the most
> > > extreme users.  I wouldn't consider buying a bike with a double top
> > > tube.  How many failures has Grant experienced with the top tubes on
> > > the Atlantis - Rambouillet - AHH?  Or even the Heron.   I'll bet it's
> > > pretty close to zero, and if there was one it was due to workmanship,
> > > not a design flaw.
>
> > > Michael
>
> > > On May 3, 9:25 pm, eflayer <eddie.fla...@att.net> wrote:
>
> > > > i am a bit more perplexed by the mention of two top tubes?  a new
> > > > viral advertising campaign for new stuff from Riv.  I can be with
> > > > that.  Grant is the master.
>
> > > > On May 3, 6:07 pm, Johnny Alien <johnnyal...@verizon.net> wrote:
>
> > > > > It sounds like there are some 56 and 60's coming in now from Taiwan.
> > > > > They sell for $1000 and come with BB and seatpost and use sidepulls.
>
> > > > > Then after that the SH frame will be made by Waterford and come with a
> > > > > Taiwan fork.  No BB or seatpost and made for canti brakes....priced at
> > > > > $1250.
>
> > > > > I am not sure what the 56 and 60's from Waterford by special request
> > > > > means.  I assume all sizes will be orange.
>
> > > > > They are more expensive but I find this news exciting.
>
> > > > > On May 3, 9:01 pm, eflayer <eddie.fla...@att.net> wrote:
>
> > > > > > just posted to the Riv site.
>
> > > > > > Waterford is building Hillbornes?  Larger ones will have two top
> > > > > > tubes?  Two top tubes on a 56 cm frame?
>
> > > > > > "Here's  what's coming:
> > > > > > Orange, side-pull, 56cm and 60cm Sam Hillborne frames arriving from
> > > > > > Taiwan mid June.  $1000.  Frames are available!
>
> > > > > > All other sizes becoming available in mid to late May from 
> > > > > > Waterford.
> > > > > > Taiwan fork, Waterford frame.  Same orange.  $1250.  No bb or
> > > > > > seatpost.  56cm and 60cm Waterford Sam Hillborne frames also 
> > > > > > available
> > > > > > on request.  All Waterford frames will be designed for cantilever
> > > > > > brakes and you get 2 top tubes (at no extra charge!) on frames 56cm
> > > > > > and larger."
>
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