Originally Posted by $0.00/Gal
My stock cyclone chainring appears to be round but it isn't The loose section of it worries me a little bit, but I've never had a problem. The thought of using a chainring that is even less round than the one I use now sounds insane to me. I've seen many biopace chainrings and you can see clearly that they're not round. Stupid idea. F sheldon brown.
I think you're confusing roundness with concentricity.
Your Cyclone
is round, but is not centered perfectly.
This is quite common, and often is not too difficult to fix.
I explain how to minimize the problem at:
http://sheldonbrown.com/fixed.html#tension
Sheldon "Biopace Works Fine For Me" Brown
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| To stay young requires unceasing cultivation |
| of the ability to unlearn old falsehoods. |
| --Robert A. Heinlein |
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