Fractured front cog?
"S o r n i" wrote: (clip) Bill "sure you meant 'cogg' ;-) " S.
I think he really meant "chainring." :-)
I couldn't get the link to work, either, but I would not ride with a
chainring that might fail. Not only do you risk being stranded with nothing
but a roll of duct tape--if it happens when you are pressing hard on the
pedal, you could hurt yourself. :-(