AOSTIRMOTOR 750W Motor 48V 15Ah Battery Electric Mountain Bike 26Inch 4.0 Fat Tire Bicycle                                                                       Specific Warranty Info
All of electric bikes are guaranteed and backed by our technical assistance and considerate service.
During the guaranteed period, any of the parts could be replaced upon receipt of your photos for proof. 
Frame/Battery/Motor:1 Year
All Other Parts:1 Year