Hermansen Bike One 2021, Owner'S Manual

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20. Service and maintenance
The first assembly and adjustment of you bike and
subsequent service and maintenance requires
special tools and technical expertise. If you are
uncomfortable performing any of the listed tasks,
please seek the assistance of a qualified bike
mechanic.
You can perform the inspections marked with
✔
yourself if you have technical skills, a little experience
and suitable tools e.g. a torque wrench.
If faults are detected during inspections, take
appropriate measures immediately. Please get in
touch if you have any questions or if anything is
unclear.
Work marked with
✖
should only be carried out by the
specialist dealer as part of an annual service.
DANGER!
Your e-bike has many advanced parts and
components. Many e-bike service and
repair tasks require special knowledge
and tools. Do not begin any adjustments
or service on your e-bike unless you are
able to properly complete them. Improper
adjustment or service may result in
damage to the e-bike or cause serious
injury. Consult a qualified bike mechanic
if you need any help.
Component Action Before Every
Ride
Every
2.000 km
Every 6.000
km or annually
Other
Intervals
Tires Check air pressure
Check tread height and side walls
✔
✔
✖
✖ ✖
✖
Replace if worn
Brakes Check lever stroke and position to the rim Check
pad thickness and tightening torque
✔ ✖
✔
✖
✖
Replace if worn Replace if worn
Brake cable housings Visual check for tightness
✔ ✖ ✖
Rims Check wall thickness/wear indicator, inspect for
cracks, replace if necessary
✖
✖
At the latest after the second
set of brake pads; replace if
worn
Chain (derailleur gear) Check and lubricate if required
Check wear and replace if necessary
✔
✖
✖
If dry or rusty
Crank Check and re-tighten if required
Check wear on chainwheel
✖
1
✖
Replace if worn
Wheels True running and spoke tension
✖ ✖
Replace if worn
Axle nuts/quick-release skewer
✔ ✖ ✖
Handlebars / stem Visual check
Replace
✖
1
✖
After a fall, 25,000 km or 5
years –whichever occurs first
Headset Check bearing play
Re-lubricate
✖
✖
✖
Replace if worn
Paint, metal surfaces Preserve (Except rims, brake discs)
✔
Hubs Check bearing play, lubricate
✖
Replace if worn
Pedals Check bearing play, lubricate
✖
1
Replace if worn
Saddle clamp Check tightness
✖
1
✖
1
Seatpost Clean seat tube, tightening torques
✖ ✖
Replace after 25.000 km
Rear derailleur Clean, lubricate
✖
✖
1
Disc brakes Screw connection brake discs and calipers
✖
✖
1
Replace if worn
Quick release
skewers
Check tightness
✔ ✖
✖
✖
Screws and nuts Check and retighten if required
✖
Mudguards Check the fixed seating and distance from tires
✖
✖
1
Valves Check tightness
✔ ✖
Gear cables Remove and lubricate or replace
✖
Replace if worn
1
These screw connections should be checked every year by a qualified bike mechanic using a torque tool.