Hi, folks.
Just did my first double in Death Valley yesterday on the Romulus. I
saw some steel bikes - a handful of fixies, a classic 80s Peugeot,
and, well... that's it. It was mostly fender-less MCRBs, even though
the forecast called for a 50% chance of rain. It rained on my for
about an hour f
Oh, I¹m sorry, but that¹s atrocious. What a thing to have to see just before
going to bed.
--
Jon ³Papa² Grant
Illustration + Information Graphics
Austin, Texas
jgr...@papagrant.com
512-284-9599
From: Aaron Thomas
Reply-To:
Date: Sun, 7 Mar 2010 22:52:08 -0800 (PST)
To: RBW Owners Bunch
Sub
http://www.youtube.com/watch?v=XC73PHdQX04
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On Mar 7, 3:09 pm, Beth H wrote:
> DON'T send that carbon fork to the dump!
> Carbon fiber parts don't break down in a way that's healthy.
> It's like watching a Corvette crash; all shards and fibers, something
> to be swept away while wearing a construction safety mask. Seriously.
> Instead, cons
On Mar 7, 2010, at 1:44 PM, cm wrote:
I think it is pretty common sense for the builder of a certain thing
to explain why they built it the way they did and not the way someone
else did. So if you make steel bikes because you think they are the
best, it has to be true that you think something e
On Mar 7, 2010, at 2:36 PM, PATRICK MOORE wrote:
On Sun, Mar 7, 2010 at 1:26 PM, Tim McNamara
wrote:
Aluminum alloys fall in between and are worth inspecting,
especially cranks at the pedal eye, handlebars/stems and rim
braking surfaces.
I wonder: if all the research and attention and
On Mar 7, 2010, at 1:57 PM, PATRICK MOORE wrote:
And, to put another red herring to sleep: yes, of course, you can
make a cf anything stronger than any steel frame out there, and yes
the navy makes nuclear shields for aircraft carriers out of the
stuff, but that, as someone wisely pointed
I don't think the manufacturers of carbon bikes are saying that they
are safer, they are saying that they are lighter. Grant agrees that
they are lighter, they are just less safe. So the user has to decide
whether the increased risk of injury justifies the benefits from the
reduced weight of the
A quick report on two recent topics:
Been riding a 28/42 + 12-34 cassette on a couple bikes for about a
year. I enjoy 'em, and it doesn't feel like a give up much from my
other favorite drivetrain (24/36/46 +12-34) (yes, I ride really steep
hills a lot). The wide range shifts just fine, not a pr
So while it's mentioned that they are made by White Industries, why
not the White Intustries VBC? Talk about a nice wide-range double,
low Q-factor of 142. Has anyone tried one?
Maybe not the most attractive crank, it is offered in a variety of
different lengths and as a wide-ranged double. Whil
Better:
http://images.andale.com/f2/115/106/3561856/2007/11/14/thin_french_cranks.jpg
http://images.andale.com/f2/115/106/3561856/2007/11/10/chrome_french_cranks.jpg
http://www.classiclightweights.co.uk/bikes/jrj-rb1.jpg
http://www.velobase.com/CompImages/Crankset/749D8E48-5706-4714-B375-1C607B
On Sun, Mar 7, 2010 at 1:26 PM, Tim McNamara wrote:
>
> Aluminum alloys fall in between and are worth inspecting, especially cranks
> at the pedal eye, handlebars/stems and rim braking surfaces.
>
I wonder: if all the research and attention and money had gone into updating
those wonderfull-looki
On Mar 7, 2010, at 1:15 PM, Phil Brown wrote:
On Mar 6, 9:41 am, Tim McNamara wrote:
On Mar 6, 2010, at 10:22 AM, bfd wrote:
I know many here will disagree with me, but I'm tired of Grant's
constant carbon bashing. What he doesn't mention is that carbon
frames
can be repaired. Craig Calf
>From the scuttlebutt, that will be a helluva lot of dubious home made
artwork.
Patrick "never got beyond potholders" Moore
On Sun, Mar 7, 2010 at 1:09 PM, Beth H wrote:
> DON'T send that carbon fork to the dump!
> Carbon fiber parts don't break down in a way that's healthy.
> It's like watchin
On Mar 7, 2010, at 11:11 AM, bfd wrote:
However, it seems that a man of his insight, connections and knowledge
would be able to distinguish between a FORK and a FRAME. Carbon frames
build by good builders like Calfee, Crumpton, Parlee and Serotta, to
name a few, don't seem to break just "riding
On Sun, Mar 7, 2010 at 11:28 AM, MichaelH wrote:
> I believe the Davinci, a very nice triple, is listed at a modest 158
> Q, and the design allows for a very short bb, which makes it easy to
> move between a dbl & triple. BTW, they are made by White right here
> in the US, or at least in Ca. No
DON'T send that carbon fork to the dump!
Carbon fiber parts don't break down in a way that's healthy.
It's like watching a Corvette crash; all shards and fibers, something
to be swept away while wearing a construction safety mask. Seriously.
Instead, consider shellacking it and turning it into art.
, they're pretty, too:
http://www.davincitandems.com/images/crank4.jpg
Thanks for that lead as I hadn't heard of them!
On Sun, Mar 7, 2010 at 10:28 AM, MichaelH wrote:
> I believe the Davinci, a very nice triple, is listed at a modest 158
> Q, and the design allows for a very short bb,
On Sun, Mar 7, 2010 at 12:57 PM, PATRICK MOORE wrote:
> nd yes the navy makes nuclear shields for aircraft carriers out of the
> stuff,
>
>
Sorry for the mispelling. I meant, of course, "nucular."
Patrick "no g-d emoticons in *this* family" Moore
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Sure, there were examples. I got a warning from LLBean years after I bought
a rebranded Cannondate sport tourer from them warning me of cracking, and I
personally know of 3 good quality steel frames or forks breaking, either
suddenly or gradually. But there wasn't the volume of talk about it as th
I think it is pretty common sense for the builder of a certain thing
to explain why they built it the way they did and not the way someone
else did. So if you make steel bikes because you think they are the
best, it has to be true that you think something else is not the best.
And on that spectrum,
Michael -
I found an old steel Schwinn fork on e-bay. It was probably for a
a 27" wheel and had a flat crown to replace a sloping crown, which
worked
for me because I was looking to gain clearance for Jack Browns.
I just tried it with a 650B wheel and a Tektro 556 - no dice. The
build
height on t
On Mar 6, 9:41 am, Tim McNamara wrote:
> On Mar 6, 2010, at 10:22 AM, bfd wrote:
>
> > I know many here will disagree with me, but I'm tired of Grant's
> > constant carbon bashing. What he doesn't mention is that carbon frames
> > can be repaired. Craig Calfee repairs carbon fiber frames and doe
On Mar 5, 10:32 am, newenglandbike wrote:
> naturally, however i think rivendell's lugs/crowns are exclusively
> their own
I think that Grant would send a crown directly to an established
builder. I know this policy has tightened up but I still think he'd do
it.
Phil Brown
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I too need/want a new fork, but not because I currently ride with a
CF.
But before I go there... I just want to add that I used to ride with
tt pumps and found I would regularly bounce them loose. I added
velcro pump holders and never had another problem. If I return to
full size pumps I would d
I just looked at Grant's "carbon bashing" piece on the RBW website and
appended to the end of the original post is a letter from a mechanical
engineer who claims to have great familiarity with carbon materials,
and it is well written and sensible:
"Letter from Joe Thomas.
I read your thoughts on
That would have been nice, especially since I'm at LAX Radisson at the
moment (with a bicycle in my suitcase). When I visited Riv last year I
didn't get to meet Grant so it would have been a hoot to meet him a year
later (especially now that I own a Riv) almost exactly a year later. :-)
Aloha!
On
I believe the Davinci, a very nice triple, is listed at a modest 158
Q, and the design allows for a very short bb, which makes it easy to
move between a dbl & triple. BTW, they are made by White right here
in the US, or at least in Ca. Not cheap, but less than TA.
Michael
On Mar 6, 4:33 pm, cycl
Very good point. It up to each of us to evaluate the risk versus the
reward and make a decision for ourselves. If, in fact, carbon is less
forgiving than steel, which I believe, then I thank GP for making me
aware of this information. Don't shoot the messenger of bad news.
On Mar 7, 12:13 pm, H
No, you have to have a sword fight with it first!
Ryan
On Mar 7, 6:51 am, LF wrote:
> OK. I'm convinced by Grant's 3/6 "carbon bashing" in "Rivendell
> News." The carbon fork in my used parts bin is going to the dump,
> where it belongs. Thanks Grant.
> Best,
> Larry
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It's too bad Grant's trip is so impromptu. We here in SoCal could have
organized a ride!
Aaron
On Mar 7, 4:21 am, Marty wrote:
> Good for him - good for them! The Smile Train video worked like magic,
> and he's off to Tinsel Town for a command performance. Update on
> Peeking Through the Knothol
The weather turned beautiful for yesterday's Davis Bike Club 200K Brevet. Rode
my Rivendell Road to a finishing time of 8:03.
Photos here: http://www.flickr.com/photos/35176...@n03/sets/72157623448016999/
--Eric
campyonly...@me.com
www.campyonly.com
www.wheelsnorth.org
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I don't think anybody suggests that EVERY carbon frame or fork will fail in
the next XX years. In fact, probably a TINY fraction of a percent MIGHT.
I also don't think that EVERY Toyota on the road is going to accelerate
unexpectedly and uncontrollably within the next XX years either.
The point i
On Mar 7, 8:12 am, PATRICK MOORE wrote:
> I just read Grant's reply to the "carbon bashing bashing" thread and I was
> heartened to learn that (1) he "bashes" -- the quotation marks to indicate
> that this word is used very provisionally -- carbon out of a sense of duty
> and (2) almost even mor
On Mar 7, 2010, at 8:34 AM, Mike wrote:
I'm stoked they won. Good for them. I went for a root canal this week
and right at the end the tooth "fractured" and so will now have to be
extracted. I was pretty bummed. I wasn't even angry just bummed. I
came home feeling a bit sorry for myself and then
It does worry me a bit that we're starting to discuss carbon fiber on this
list. But, it has been specifically related to Riv/Grant topics, so I am
wont to say it's outside the fence. But, it's leaning against it, eh?
It seems to me that the overarching issue is that carbon is filtering down
to mo
On Mar 7, 2010, at 10:12 AM, PATRICK MOORE wrote:
One thing is undeniable: there was no such widespread scuttlebutt
about steel, titanium or aluminum forks and frames breaking; for
whatever reason, the volume rather signifcantly increased only when
carbon fiber became common in the bike in
One fact to take into account is that, I think, foot slippage and pump
slippage resulting in serious injury, like catastrophic failure of steel
bike parts, have not been so common as to generate the kind of buzz that
snapping carbon fiber parts have. Take this for what it's worth, but the
mere volu
I should add to my thoughts that I myself have experienced sudden failure on
a steel steerer tube, and this on a new frameset (NOS -- 531c Orbit tandem
-- bad material for a neophyte tandem couple, all question of overheating
aside!; fortunately no serious injury). But again, there was no such volu
I just read Grant's reply to the "carbon bashing bashing" thread and I was
heartened to learn that (1) he "bashes" -- the quotation marks to indicate
that this word is used very provisionally -- carbon out of a sense of duty
and (2) almost even more so, that he has little interest in pushing the
no
Many years ago when I lived in Davis, a local rider knocked his top-
tube mounted pump loose while riding along. It jammed into the front
wheel, sending him over the bars. He died on the spot. I knocked TT
mounted pumps loose a couple of times myself while reaching for a
bottle or a shifter. I
I think the crux of the issue is not how long a carbon frame can
last- of course there are old carbon frames out there, being ridden
today.
I think the point is that EVERYTHING fails eventually under sufficient
stress- the million dollar question being, when something does fail,
how does it do
On Sun, Mar 7, 2010 at 8:36 AM, cyclotourist wrote:
> I have a synthetic jersey and it keeps me warm. Everybody I know uses
> synthetic jersies. They have never failed, even the zippers! Why is Grant
> going on and on about wool and disparaging synthetic jersies. Tom Ritchey
> uses synthetic
We all need hobbies!
On Sun, Mar 7, 2010 at 5:09 AM, Steve Palincsar wrote:
> On Sat, 2010-03-06 at 15:50 -0800, cyclotourist wrote:
> > Wider Q's have been recommend to help me deal w/ IBT, but it's hard to
> > bring myself to doing it after I've worked hard (and spent $$$) to get
> > as narrow
I have a synthetic jersey and it keeps me warm. Everybody I know uses
synthetic jersies. They have never failed, even the zippers! Why is Grant
going on and on about wool and disparaging synthetic jersies. Tom Ritchey
uses synthetic jersies. So does Gary Fisher. They both know a thing or two
OK. I'm convinced by Grant's 3/6 "carbon bashing" in "Rivendell
News." The carbon fork in my used parts bin is going to the dump,
where it belongs. Thanks Grant.
Best,
Larry
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I'm stoked they won. Good for them. I went for a root canal this week
and right at the end the tooth "fractured" and so will now have to be
extracted. I was pretty bummed. I wasn't even angry just bummed. I
came home feeling a bit sorry for myself and then read a Riv post
about Smile Train and made
On Sat, 2010-03-06 at 15:50 -0800, cyclotourist wrote:
> Wider Q's have been recommend to help me deal w/ IBT, but it's hard to
> bring myself to doing it after I've worked hard (and spent $$$) to get
> as narrow as possible!!! :-)
Look how hard people have to work at it to get a repetitive stres
Good for him - good for them! The Smile Train video worked like magic,
and he's off to Tinsel Town for a command performance. Update on
Peeking Through the Knothole. Can't wait to see the final cut!
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Anyone got one that needs a home? Well used and/or stained is fine so
long as the zippers work and there are no tears.
GeorgeS
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On Mar 6, 9:41 am, Tim McNamara wrote:
> On Mar 6, 2010, at 10:22 AM, bfd wrote:
>
>Grant's pointing out the problems with carbon doesn't strike me as desperate,
>it
> strikes me as concerned about people's safety.
OK, maybe I wasn't clear, I was only talking about carbon FRAMES; not
carbon
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