Services-无锡优益车业科技有限公司

For after-sales service,please refer to our after-sales warranty standars.

Our warranty standard:

Item	Spare parts types	Warrenty instruction	Warranty Period
Body	Frame、Handlebar	Open welding, fracture,unsoldering.	12 months(From B / L date)
	Stem、Fork、rim、disk brake	Natural distort、crack etc, non external forces due to the own reasons for the quality problem.	12 months(From B / L date)
	Paint parts, plating parts	Paint peeling、foaming、Cracking	6 months(From B / L date)
	Saddle、Pedals	Open line、Natural fracture	6 months(From B / L date)
	Plastic part、Brake disc、Inner tube、Brake line、Brake block	Fast Moving Parts	No warranty for those parts.
Electrical parts	Charger、Lamp、Tail light、switch、Switch handle、Break handle	Due to poor manufacturing performance and failure to repair	6 months(From B / L date)
Electrical parts	Controller、Main cable	Due to poor manufacturing performance and failure to repair	12 months(From B / L date)
Motor	Motor	Phase - missing、burning、demagnetization	12 months(From B / L date)
Motor	Hall、Bearing	Hall burn out、Bearing abnormal noise	6 months(From B / L date)
Battery	Charge port，USB charge component	Fast Moving Parts	No warranty for those parts.
Battery	Li-battery pack	Charging ambient temperature 1°C-34°C Use ambient temperature range-10°C-45°C At low temperature,the Li battery capacity will decline to different degrees,the spec reference as below: -10°C active volume68%， 0°C active volume 85%， 25°C active volume 100%， Replacement of the new battery at 6 months of capacity less than 65% of the representation capacity.	12 months (From B / L date)

Exemption scope

The following circumstances will not be covered by the warranty, and the customer has to pay for the repair:

The " guarantees" validity period has expired.
Damage incurred by man-made causes.
Any damage caused by failure to follow the requirements in the instruction manual to correctly assemble or use the scooter.
The serial No. has been deleted or modified.
The serial No. bar code or model on the product warranty card doesn't coincide with the product itself.
The product has been dissembled or repaired by personnel unauthorized by us.
Daily wear and tear (including wear and tear of the E-BIKE shell, handle grips, tires, etc.) that does not affect the product's functionality.
Damage caused by accidents or improper use, such as physical damage, fall-and-break damage, collision damage,etc.
Damage caused by overload, forcing through obstacles (including but not limited to riding down stairs, hitting the ground, etc.),performing X-sports stunts, etc.
Damage caused by disassembly, transportation, loading/ unloading, etc. in the process of return for repair.
Damage caused by fire, liquid immersion, freezing, earthquake, or other abnormal storage conditions or force majeure.
Depletion of wearing pieces such as the packing material, different types of technical documents, etc.
Products used for commercial purposes will not be covered by the warranty.
For malfunctioned products whose warranty has expired, we provides paid repair service, and as to the charging standardand accessory prices, you can contact our after-sales personnel for more details.