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DYU electric bike


Dear Users:

Thank you for choosing DYU,in order to serve you better, after purchasing the product,please fill out and save this  sales  unit stamped  warranty  card, using together with the purchase invoice as the certificate of product after-sale service.

(Please keep the product outside box for some time,in case of the product have quality problems, need to return, you can use the original product packaging sending it back)

User name Phone 
User Address 
Product Model Product ID 
Date of Purchase Purchase channels 
Purchase Address 
After-sale phone+86-0755-21006832Websitedyucycle.com; dyuglobal.com

1. “Three guarantees” time limit and scope of spare and accessory parts

Part typePart name“Three guarantees” time limit“Three guarantees” fault category
Moped body partFrame36 monthsNatural open welding,sealing-off,fracture and other problems
Front fork36 monthsNatural open welding,sealing-off,fracture and other problems
Handle12 monthsNatural open welding,sealing-off,fracture and other problems
Standpipe12 monthsNatural open welding,sealing-off,fracture and other problems
Flywheel6 monthsPerformance fault
Electric appliance partCharger6 monthsPerformance fault
Controller12 monthsPerformance fault
Motor12 monthsPerformance fault
Battery12 monthsBattery capacity reduces greater,capacity is less than 60% of; the original factory capacity
Speed adjustment handle3 monthsSpeed adjustment is failure,display is bad
Brake handle3 monthsNo power off function
Assist3 monthsNo induction function
Vulnerable partPlastic parts,brake rubber-block,brake line,pedal,standard part,chain,rim,spoke,tube and tire and other vulnerable parts not listedNot in the scope of “Three guarantees”

2. Including in following any one case will not covered under warranty columns when users using it:

  • Exceed three packs of validity
  • Due to natural disasters or force majeure(fire, earthquake,lightning,etc) cause damage
  • Since the product does not meet the requirements of environmental cause damage
  • Failure to use the product manual requires to use,maintenance,custody,maintenance and cause damage
  • Due to unauthorized disassemble,make alterations and other human factors cause damage
  • During the transport,handling or riding cause damage by human factors
  • Unable to provide valid proof of purchase and warranty card
  • Non-product quality problems caused damage
  • As this product is used commercially,is not always guaranteed


3. Parts prices and fees please go to DYU official website for detailed advise

If not within the scope of the warranty ans can be serviced, the company offers a paid service, the final interpretation of the contents of this service  owned by the company

Note: Customers will bear the shipping costs and related fees back and forth  when  returning to  factory  for repairing The warranty period counts up from the date of delivery from factory

Enquire Now