I think it was utter abuse. This particular bike is only about 5 months old. i Actually readjusted it not to long ago. Thats why im surprised it happened. it was doing so well until it snapped in half LOL. $20 to get the sane one again. Sigh.. If bikes really only cost $100 dollars a year to maintain i already spent more then $50.. Patches / Brake pads / And now this