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2.6.3 Your bike has a rear derailleur that will automatically tension your chain. However,
if the chain becomes loose or frequently comes off the front chainwheel, please seek
advice from
your Wisper dealer.
2.6.4 Brake levers should lock the wheels when compressed half way between their open
position
and touching the handle bars.
2.6.5
Warning: Handlebar hand grips or tube end plugs should be replaced if damaged,
as bare
tube ends can cause injury.
2.6.6
Front and rear brake pads must be replaced if the pad material wears to
less than 1mm.
IMPORTANT! braking distances increase on wet or icy roads.
2.6.7
Lubrication:
6.7.1. Lubricate all pivot points on the derailleur and chain with light oil or chain
lube on a
6.7.2 Once a year, have your dealer re-grease the headset bearings, front wheel
bearings
2.6.8
Recommended tools for proper maintenance:
Torque wrench with lb/in or N/m gradations
2, 4, 5, 6, 8mm Allen wrenches
9, 10, 15 mm open-end spanners and 15mm box end spanner
14, 15, and 19mm socket
T25 Torque wrench
No. 1 Phillips head screwdriver, bicycle tube patch kit and tyre pump
2.7. Technical specifications & performance
Motor
drive
Battery
(BMS)
regular
basis.
and pedal bearings.
High efficiency, 250W ultra hi torque 50Nm brushless rear wheel
Hybrid Torque drive system designed to deliver maximum power to
the rear wheel smoothly, quietly and efficiently.
Samsung Lithium with advanced battery management system
36V 375Wh
11
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