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• Please have a professional distributor authorized by Darfon Electronics Corp. perform routine
checkups on your bike.
• Check for signs of cracks, scratches or color change, since any of these are indications that the
part may be expired.
• Have a professional distributor authorized by Darfon Electronics Corp. replace the fatigued or
worn part(s).
Parts that may be compromised are:
• Handlebars and stem
• Saddle and seat post
• Frame and fork
• Tyres and wheels
• Pedals and Pedal cranks
• Brake Pads and discs
• Chain
• Battery
The electric bike and the power controller system may cease to function if handled incorrectly.
Modification to the power controller system may lead to the inability to correct the system back to
normal and eventually malfunction. A power controller system that does not work properly will
compromise your safety while riding the electric bike. Therefore, you should always go to a
professional distributor authorized by Darfon Electronics Corp. for service of used and
malfunctioned parts.
Do not perform any servicing or machining work on the bicycle frame or any of the load -bearing parts on
your own, such as drilling, welding or forging. These behaviors will impact the service life of the parts and
the stability of use. In addition, part of your body or clothing may be caught in moving or rotating parts
such as wheels, chain, pedals or pedal cranks. Make sure that any part of your body, clothing or objects
you are carrying will not be caught in these parts as they are moving or rotating. Also, scarf is not
recommended.
A few parts on this bicycle may become very hot after braking, such as the braking system, front
fork quick release, fast rotating electronic control system and the nut on the axle, particularly after
long hours of riding. Touch these parts only after they cool down. It is not allowed to ride the e - bike
without an operational lighting system. This is the law in many countries.
Qualified and Authorized Professional Ser vice
A professional distributor that is qualified and authorized has the skills, tools and qualification to
provide service for your electric bike, in particular when it comes to the safety of riding the bike.
Therefore, it is advised to go to a qualified and authorized distributor for the following serv ices:
• Safety-related service
• Maintenance and service
• Repair
• Correction, installation and upgrade
• Replacement of electronic components: power controller system, gear change system, brake
system and drive system
• Darfon Electronics Corp. recommends that you go to an authorized professional distributor for
service and repair in order to keep your electric bike in a good working condition.
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