Item	Parts	Guarantee time	Service
Basic parts	Frame	36 months	Natural deformation, open welding, desoldering fracture phenomenon, quality problems caused by poor manufacturing can be replaced. Self-modification, collision damage, etc. are not warranted.
	Fork, Handlebar, Stem, Seatpost	12 months
	Kickstand, Tires, Saddles, Fenders, Safety hook, Seat clamp, Stem clamp, Frame clamp, Pedals, Brakes, Brake discs, Brake levers	3 months	Tire puncture by sharp objects, collision damage of spare parts etc. are not warranted.
	Crank chain disc, Front arm set, Hub, Wheel hub, Spokes, Shift finger dial, Derailleur, Flywheel, Chian, Bottom bracket, Shock absorber	6 months	Man-made damage, self-modification, collision damage of parts and accessories are not warranted.
Electrics parts	Controller	12 months	Short circuit, burnout, performance failure due to poor manufacturing can be replaced. Water, disconnection, and man-made damage are not warranted.
	Charger, Main wiring harness	12 months
	Display instrument, Speed control knob, Booster,Controller cover plate	6 months
	Headlights, Taillights,Power-off brake levers, Switches	3 months
Motor parts	Motor, Hall, Bearing, Clutch	12 months	Phase loss, Hall element burnout, demagnetization, abnormal bearing noise can be replaced. Breakage, water ingress are not warranted
Battery	Lithium battery	12 months	Replace the battery due to faults such as broken grids, no power storage, and less than 70% capacity. No warranty for water ingress or man-made damage