We provide two kinds of extended warranties for all of our ECOTRIC customers. If you want to buy the extended warranty, PLEASE LEAVE YOUR ORDER NUMBER FOR THE BIKE IN NOTES WHEN YOU MAKE THE PAYMENT . Please also choose the warranty fit for the model you have. Caution: The extended warranties follow the Warranty Policy . Normal Warranty 1 year extended warranty (Warranty A) 1 year extended warranty + 1 year extra battery extended warranty (Warranty B) Frame 18 months 30 months 30 months Battery 18 months 30 months(Click here for more details) 42 months(Click here for more details) Display 18 months 30 months 30 months Controller 18 months 30 months 30 months Motor 18 months 30 months 30 months