25
The SUPER73-S2 has tire sizes of 20”x4.5” in the front and 20”x5” in the rear with
inner tubes and a rim liner. The inner tube size for the tires is 20”x4.5” or 20”x5”.
The tires are designed for durability and safety for regular cycling activities.
However, tires must be checked before each use for proper inflation and condition.
Proper inflation, good maintenance, and quick replacement will help ensure that
the operational characteristics of your e-bike will be maintained and dangerous
conditions avoided.
Tires must be inflated using a pump with a Schrader valve tip with a recommended
pressure between 1.38-1.72 bar (20-25 psi) dependent on the weight of the rider and
the type of terrain. Check the condition of the tires and rims for damage, cracks or
deformation. The minimal tightening torque of the wheel nuts is 21.69 Nm (16ft/lb).
It is essential that the proper air pressure is maintained in the tires all the time. Do
not under-inflate or over-inflate your tires. Low pressure can cause loss of control
and tires that are too inflated can burst. Failure to maintain proper air pressure
rating indicated in the handbook may at any time result in tire and / or wheel failure.
Inflate your tires from a regulated air source with an available manometer. Inflating
your tires with an unregulated air source could over-inflate them, resulting in an
exploded tire. When tire wear becomes obvious or a hole in the tire is found, you
must replace the tires and/or tubes before using the e-bike, otherwise, serious
injury to operators and/or damage to your bike could occur.
In addition to proper inflation, correct wheel alignment helps to decrease tire wear.
If you find a tire that is worn unevenly, have a professional cycle mechanic check the
wheel alignment.
!
TIRES / WHEELS
WASHING AND CARING FOR YOUR BIKE
MAINTENANCE & COMPONENTS
Before performing any work on your SUPER73 electronics system, turn off the system
and remove the battery. Involuntary activation of the SUPER73 system will give rise to
a risk of injury, death and/or property damage.
DANGER!
Dirt, salt, and other elements can damage your bike. Regularly clean your SUPER73
and protect it against corrosion. Use clear water for cleaning and a gentle soap if
necessary to dissolve grease and other residues. Do not spray water directly onto
your SUPER73.
Instead, use a lightly damp cloth to wipe down any dirt or debris. After drying your
bike, treat surfaces with a care product. Finally, wipe all parts with a clean, soft cloth.
DANGER! Do not clean your SUPER73 with a strong water jet or steam jet from
a short distance, and take particular care not to spray water on or near the battery.
This can damage the battery and create a risk of fire. In addition, the water can get
past the seals and get inside the bearings. Lubricants are then diluted, increasing
friction. In the long run, the bearing surfaces will deteriorate.
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