Originally Posted by
redlude97
Shimano uses a narrow wide chainring as well so its not really a patent issue
...
I cannot find any current Narrow-Wide on the Shimano site. That Dyna-Sys II system is hard to find.
Do you have a link to where a Shimano Narrow-Wide can be purchased?
There are Dyna-Sys II pictures to be found in both configs. I can't find on Shimano.
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