You know after reading all this I can see why Grant doesn't like to talk
about such specific inquiries into geometry.. aka "cause and effect".
It seems the more I think I know "how things work". the less I actually
do. I can listen to the most detailed explanations/theories about "the
Thanks, Bill! These messages are coming in a little slow, but that is
exactly my question. My current bike has a headtube angle (73 degrees) and
a fork offset of 65mm with a resulting trial of 43mm. This is on the higher
side of low trail but allows for the kind of handling I like and no toe
I think it's easy to underestimate just how much further back your hands
are on something like a Bosco bar, versus a traditional mountain bike bar.
It's practically a foot! And while Grant does advocate for an upright,
relaxed position, there are practical limitations to how upright you can be
Bill, you just blew my mind. Being someone who doesn't ride "off road" I
had never considered the potentialy immense benefits of a light front end.
Thank you for the enlightenment!
On Thu, Mar 18, 2021, 9:03 AM Bill Lindsay wrote:
> The Original Poster asked questions bout the design of the
Thanks, all! I was wondering if it had something to do with wanting to get
the handlebars higher and the shallow head tube angle. I wonder if people
are generally also using these with shorter stems? All this was just to see
what people's riding experiences have been in terms of handling. I'll
The Original Poster asked questions bout the design of the Susie/Wolbis,
and stated their favorite bike has similarly long chainstays but a front
center that is fully 4 inches (ten centimeters) shorter. The Original
Poster asked for a comparison.
Maybe it would be useful to the discussion
I've only ridden a long chainstay bike (Joe A.) around the LBS parking lot,
so I can't say how it would be on my local trails, but after riding a
variety of more modern MTBs, even 10mm shorter chainstays make a huge
difference in being able to ride "gnarly" east coast chunk. The shorter,
the
Hi,
I think F-C is an important parameter for Grant's designs. Here's a
thread:
https://groups.google.com/g/rbw-owners-bunch/c/dW25Rl2Qf3M/m/FL_RhSQwAwAJ
I think Joe's point about the type of handlebar to which he's designing the
frame around is important, and has permitted him to expand F-C
Hi,
Longer wheel bases make the bike ride smoother and (to a degree) more stable.
The really long rear chain-stays are good for carrying bags, because your heals
do hit them.
Long chain-stays are harder to ride off road, because they make it harder to
lift the front (wheelie) over stuff.
Riffing slightly off Garth's very Garthy statement, "no one knows why it
works" is kinda Grant's vibe and why he doesn't like to answer "How long is
the toptube?" I gave him my PBH (plus he's seen me) and told him what I
wanted my custom to be like and he said "Sounds good, I'll call you when
Because the spread out wheels is like riding a horse in stride. Yes, I
thought of a techie answer, but frankly that never says anything of
substance that anyone can instantly if ever relate to. It's like the
teacher talking in Charlie Brown . wah wah wah .. whatever !
Picture
My very non-knowledgeable answer is the long front-center allows for high
stack-height and a slack fork angle with way-reach-back bars like Boscos
without cramping the rider. My custom was specifically designed for those
bars and to be ridden with them way up there to accommodate arthritis in
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