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Chainring failure from http://www.rouesartisanales.com/14-categorie-100023.html as of 2007/07/28.
![[X]](carbon-chainring-broken.jpg)
The chainring made by "Carbon•Ti" uses a thin rim of titanium for teeth, and the body of the chainring is carbon fiber. In the example shown here, the rim and body separated. No usage information leading up to the failure was reported.