kaisda k1 26 inch folding electric moped folding bike mountain bicycle 500w motor shimano 7 speeds derailleur lcd display 10 4ah battery max speed 25km h aluminum alloy frame white
kaisda k1 26 inch folding electric moped folding bike mountain bicycle 500w motor shimano 7 speeds derailleur lcd display 10 4ah battery max speed 25km h aluminum alloy frame white