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PostPosted: Wed Aug 07, 2013 10:10 am 
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Joined: Sat Mar 26, 2011 4:36 pm
Posts: 39
here are some opinions by uk tt racer Ian Cammish
http://www.iancammish.co.uk/#!blank/c117u
http://www.iancammish.co.uk/#!blank/cqbx


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Posted: Wed Aug 07, 2013 10:10 am 


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PostPosted: Wed Aug 07, 2013 1:41 pm 
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Location: London
skinnyrider wrote:
But how do you find them? When racing TT.


I like them. But obviously I've not been using them for long. Pedalling seems smooth and natural. I don't notice them, which I guess is a good thing. :noidea:

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PostPosted: Mon Sep 16, 2013 1:44 pm 
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Location: Canada
I'm thinking about getting a 56T for my Sram Red Quarq compact setup.

1) Will the "minibike" fit correctly with the road crankset ?

2) Is there something special prior to use other than doing the zero offset with these rings ?

Louis :)


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PostPosted: Mon Sep 16, 2013 8:16 pm 
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Where do you see such a creature as a 56T compact Road doval chainring http://edoval.com/about-store? Or did you have a typo or inadvertently post in the wrong thread?

2) Yes, accept that your Quarq will provide inaccurate data when in the non-round doval chainring.

Edit:
I fixed the link above. What you are looking at is listed under "Single" at http://edoval.com/about-store rather than under Road. Does that mean it can not be used in a double chainring configuration? I defer to the chainring expert, Stephen.


Last edited by HammerTime2 on Tue Sep 17, 2013 12:20 am, edited 2 times in total.

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PostPosted: Mon Sep 16, 2013 11:54 pm 
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Location: Canada
http://www.ebay.com/itm/NEW-DOVAL-Miniv ... 2c70dd46d6

Though I have no idea what is minivelo... :noidea: ....

Louis :)


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PostPosted: Tue Sep 17, 2013 12:11 am 
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This is a minivelo :D


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PostPosted: Tue Sep 17, 2013 2:51 am 
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I guess it can work, even if it doesn't have any machined ramps, no pins, and it's made for a larger chain...
I won't put any effort in trying to fit it to a PM road setup...

Louis :)


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PostPosted: Tue Sep 17, 2013 1:45 pm 
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The minivelo ring doesn't have the OCP adjustment of the standard rings. (or ramps/pins). But It should be 10s compatible.

As has been mentioned, your Quarq will over-read slightly with Doval/Q/O-sym rings. If you want to compare outputs across different setups this may be a problem for you. If you just want consistency for training, then it's not a problem.

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