New study on non-circular chain-rings.

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jmechy
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Joined: Wed Jun 04, 2008 3:18 am

by jmechy

djm wrote:AFAIK it is this one:
As round as round chain rings can be.


Those graphics are incredibly deceptive. At first glance I thought you were insane, as those were clearly ovalized. Then you look at them for a second and realize they are actually round... Clever of rotor to make it look like more people are using the q-rings.

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Gazelleer
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Location: Netherlands

by Gazelleer

More clever even is the way they hide that butt-ugly crank with those white graphics!

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thewatchtech
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Location: USA

by thewatchtech

So I can finally bust out the old BioPace mtb crankset from the 80s?!?

DuncanS
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by DuncanS

djm wrote:KWalker: Then the picture must be wrong.

AFAIK it is this one:

As round as round chain rings can be.

http://www.cyclingnews.com/features/pho ... ers/166443" onclick="window.open(this.href);return false;

Image


djm, check the pictures in the story. These look pretty oval to me.
Image

Privateer
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by Privateer

Interesting that a recent pic of Wiggens has him back on round rings.

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MattSoutherden
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by MattSoutherden

Privateer wrote:Interesting that a recent pic of Wiggens has him back on round rings.


I was umming and ahhing about a set of o-symmetrics a few weeks ago.

I wonder if Wiggo has really ditched them, or if he was maybe on a spare bike in the pic? Guess we'll see when Romandie starts.
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grid256
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by grid256

If he's ditched them or not, I'm impressed with the generosity of the Sky mechanics to put up with those things. Complete nightmare, and I say that as a user and believer of ovalized rings.

jever98
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Joined: Wed Feb 18, 2009 12:02 pm

by jever98

Privateer wrote:Interesting that a recent pic of Wiggens has him back on round rings.


At TdR he seemed to be back on them.
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artray
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by artray

His chain came off due to the flat spot on the rings when shifting at the front.

KWalker
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by KWalker

artray wrote:His chain came off due to the flat spot on the rings when shifting at the front.

No, it didn't. And they're really not that hard to setup with DA. I've run em and know quite a few that have and its MUCH easier than on a Sram front der.
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