My guess that this is mostly a commentary on the use of fairly steep seat
tube angles (73–75 degrees) on many road/sport/touring bikes from (very
roughly) the 80s to present. This can make it very hard for some people to
get a proper weight distribution without slamming the seat back, using an
I need to do some measurements and move stuff around on my San Marcos too.
I suppose it is a much shorter reach since the bars are level with saddle,
but I'm trying to set this one up more comfortable, yet racy - this is
supposed to reproduce a 'go fast' bike for me that perhaps is more
Good point, I did not even consider! I just went out and measured my
'reach', and it is bigger on the All City, but also we're comparing my drop
bar brifter setup and albatross. Riding the Hillborne this past weekend I
felt a bit too far 'back' on the bike, very upright.
I just moved the seat
Also i notice Riv will suggest larger frames, but maybe because they position
the stem up real high, normally an inch or two above saddle height. For bars to
be at saddle height, I like the smaller sizing. They suggested I get a 55
Hillborne and Cheviot, and have been happy going 51 and 50
70mm stem on the San Marcos!
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Another important "if", when comparing Rivendells to non-Rivendells, is
this: *if you are particular about having your saddle-to-pedal position
being just perfect on all your bikes*, then your Rivendells have SHORTER
top tubes than the numbers state. Rivendells in general have slacker seat
I can't address your size questions, since I'm a bit taller, but I can
address the top tube question. Yes, this is something to be careful about, *if
you are particular about where you want to place your drop bars. *I am not
saying that Rivendell tt sizing will be a problem for you, but it *might*
I've found from experience not to even go by frame size it can vary so much
depending in wheel size, frame design, BB drop, etc.
I go strictly by standover height & then I decide how long a top tube I will
need based on, how I intend to set up/ride the bike.
Keven measured my PBH @ 82 when I was
You have to decide from your experience. I have found that I like the frame
size better one size down from what Rivendell recommends for my PBH and seat
height measurements.
I have a short Reach. So one size down works for me and I still get a fist
full of seat post. Even when sizing
i am about your height
80 pbh
i had a 54 Tanguy touring frame
it broke adter only 33 years of racing touring commuting and day rides
i then bought a 54 miyata 1000
perfect except for the 27" wheels
then i bought a 56 cm rambouillet
what riv suggests kinda
too big
then a 53 AHH
maybe too small
In the last half a year, I've gotten a lot more serious about riding, been
through a lot of bikes, and just finally seem to be getting down to a fit I
am liking, and once again thinking about stem lengths and top tubes and etc.
In my current garage I have:
Soma San Marcos, 51cm
Rivendell Sam
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