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Stopped by a pebble.

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Stopped by a pebble.

Old 09-22-15, 06:14 PM
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Marvelousmarkie
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Stopped by a pebble.



A delicious moment from a ride tonight. Guy on a 35 year Raleigh, and another on a CF wonder bike.
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Old 09-22-15, 06:23 PM
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I broke a steel crank pushing off at a stop light. It was also 35 years old.
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Old 09-22-15, 06:49 PM
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Don't leave us hanging - how did a pebble cause the mechanical? Or are we talking about a flat?

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Old 09-22-15, 07:09 PM
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Think I ran over some dog pooh


sniff -sniff...I think it's cat.
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Old 09-22-15, 07:15 PM
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Originally Posted by Velognome View Post
Think I ran over some dog pooh


sniff -sniff...I think it's cat.
No wait, it tastes like possum.
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Old 09-22-15, 07:33 PM
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Originally Posted by Marvelousmarkie View Post


A delicious moment from a ride tonight. Guy on a 35 year Raleigh, and another on a CF wonder bike.

So who has the mechanical?
hey, that is a 41 year old Raleigh, so that changes everything...

If it matters, it wasn't me that found the pebble... the CF rider found it himself... it was really jammed up in the sidepull brake and dragging on the tire.

Steve in Peoria, and totally unaware of being photographed.
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Old 09-22-15, 07:44 PM
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Is the joke that cf bikes don't have issues mid-ride?
I'm like that kid in school wanting to laugh at someone during lunch since others are, but unsure why I would laugh.
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Old 09-22-15, 09:15 PM
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No flat, the pebble wedged between the bottom of the front brake caliper and the tire and slowed him down to a crawl.

No clearance, even with small tires.

I guess that's how they make 'em nowadays.

Edit: Since it's pretty easy to pick up tiny stones on your tires, it makes me wonder how guys who race these things deal with this.

Last edited by Marvelousmarkie; 09-22-15 at 09:35 PM.
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Old 09-22-15, 09:26 PM
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When I used to run 38mm tires on my 1988 Trek 400 I'd get stones jammed up in there all the time. They'd only stay there for a few seconds, usually.

CF bro probably had too much pressure in his front tire. Drop it down a couple of PSI and it probably woulda popped back out.
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Old 09-22-15, 09:38 PM
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Originally Posted by steelbikeguy View Post
hey, that is a 41 year old Raleigh, so that changes everything...

If it matters, it wasn't me that found the pebble... the CF rider found it himself... it was really jammed up in the sidepull brake and dragging on the tire.

Steve in Peoria, and totally unaware of being photographed.
In addition to messaging with work and my wife while riding, I sneak in a lot of pics, too. ;-)
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Old 09-22-15, 10:39 PM
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Steel bikes were the first to have the crazy clearances. Not that they survived the test of time either.
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Old 09-22-15, 10:57 PM
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Originally Posted by catgita View Post
Steel bikes were the first to have the crazy clearances. Not that they survived the test of time either.
My 2001 crabon road fork with dual pivot 105 brakes fits 32mm knobbies. Not too shabby.
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Old 09-22-15, 11:20 PM
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What ever happened to using tire wipers?

I think Jobst Brandt is wrong about them, and I think Sheldon is right in this case:
Wiping Tires by Jobst Brandt

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Old 09-23-15, 01:08 AM
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Originally Posted by mtnbke View Post
What ever happened to using tire wipers?

I think Jobst Brandt is wrong about them, and I think Sheldon is right in this case:
Wiping Tires by Jobst Brandt

That article is talking about reaching down and wiping the tire by hand, not about the mechanism.
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Old 09-23-15, 01:35 AM
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You're right.
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Old 09-23-15, 03:59 AM
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Originally Posted by Velognome View Post
Think I ran over some dog pooh


sniff -sniff...I think it's cat.
Originally Posted by Oldpeddaller View Post
No wait, it tastes like possum.
"Good thing we dont step in it, man."
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Old 09-23-15, 05:05 AM
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Originally Posted by Oldpeddaller View Post
No wait, it tastes like possum.
You're right, that looks like corn
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Old 09-23-15, 06:08 AM
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Originally Posted by catgita View Post
Steel bikes were the first to have the crazy clearances. Not that they survived the test of time either.
I dunno, this thing had just a tiny, tiny sliver of space. I have never seen such little clearance, although I don't pay attention to a lot of the new fangled racing bikes out there.
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Old 09-23-15, 06:15 AM
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Originally Posted by mtnbke View Post
What ever happened to using tire wipers?

I think Jobst Brandt is wrong about them, and I think Sheldon is right in this case:
Wiping Tires by Jobst Brandt


Now that I think about it, maybe the brake is supposed to act as a tire wiper.

Last edited by Marvelousmarkie; 12-08-15 at 11:08 PM.
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Old 09-23-15, 10:10 AM
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Originally Posted by OldsCOOL View Post
"Good thing we dont step in it, man."
Classic Cheech an Chong !
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Old 09-23-15, 10:20 AM
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Originally Posted by 3speedslow View Post
Classic Cheech an Chong !
"It's Labrador, man"

Funny stuff.
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Old 09-23-15, 10:27 AM
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Originally Posted by LesterOfPuppets View Post
When I used to run 38mm tires on my 1988 Trek 400 I'd get stones jammed up in there all the time. They'd only stay there for a few seconds, usually.
My Eros used to do that a lot! It would make this little "kk-kkhk-kkh-khkk-Thoom!" sound from time to time and I couldn't figure out the cause at first. Turned out that the tire clearance to the fork and front caliper was just right to allow little stones to get picked up and grind before getting ejected. Using a file and Dremel to gain some clearance and adopting moderate pressures seems to have helped.

Good thing those little stones never completely jammed the tire!
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Old 09-23-15, 10:37 AM
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Originally Posted by OldsCOOL View Post
"It's Labrador, man"

Funny stuff.
Waiting for my kid to "discover" these new comics !
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Old 09-23-15, 11:23 AM
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Yes, because vintage bikes never have issues.
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Old 09-23-15, 11:24 AM
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Originally Posted by Marvelousmarkie View Post
No flat, the pebble wedged between the bottom of the front brake caliper and the tire and slowed him down to a crawl.

No clearance, even with small tires.

I guess that's how they make 'em nowadays.

Edit: Since it's pretty easy to pick up tiny stones on your tires, it makes me wonder how guys who race these things deal with this.
The winner of the Tour de France this year had a pebble lock his wheel up during one of the final stages. He dealt with it just like the guy in your photo, except he did it on live TV.

Last edited by Nordo; 09-23-15 at 11:45 AM.
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