Our bike is all well maintained. Please check carefully when you pick up the bike and immediately tell us when you find anything wrong or broken. We will take care of any accident of our bike after the thirty minutes you left the location. Once the bike have any accidents unless there is a reason that you cant call the police. You always have to call the police and call us so that we can repair the bike with Giant Company. If the accident is caused by you, you will have to pay all the fee (rescued fee, repairing fee, the potential rental money when repairing) is caused by this accident.