8
Rear carrier nuts.
8N.m
Mudguard bracket nuts.
8N.m
Other general torque settings depend on the thread size. M4: 2.5-4.0N.m, M5: 4.0-6.0N.m,
M6
:
6.0-7.5N.m.
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.
2.6.7 Your bike is fitted with hydraulic brakes that automatically adjust. If the brakes become soft
contact your Wisper dealer for advice.
IMPORTANT! braking distances increase on wet or icy roads.
2.6.7 Lubrication:
6.7.1. Lightly lubricate all pivot points on the derailleur and chain with light oil or chain
lube on a regular basis.
6.7.2 Once a year, have your dealer re-grease the headset bearings, front wheel bearings
and pedal 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
Brushless, 250W hi torque brushless rear wheel drive.
Battery
Lithium with advanced battery management system (BMS)
Medium range DLG 375Wh 2.6kg
Long range DLG 575Wh 3.4kg
Mega range LG 700Wh 3.6kg
All batteries use identical battery cases so are interchangeable between
705, 806 or 905 Wisper bikes
Battery case
Polycarbonate/ABS mix, non conductive for extra safety, conforms to