Originally Posted by Feyala
Check the bolts holding on the rear sprocket! For some reason mine randomly loosened up and caused me to throw a chain when I tried to brake and then accelerate... also make sure your rear axle nut is tightened properly.
Good luck! Chain flying off is no good, it shouldn't do that!
I think my chain stretched out some more, I'm getting close to having put 17,000 miles on it. Not sure how long they last for though. I'll check the bolts, make sure they aren't' loose like you said.