190
15.2 Hub gears
15.2.1 Functionality of hub gears
The shifting mechanism of hub gears is
based on the so-called planetary gear in the
rear hub.
You shift by using the control on the handle-
bars to control the shifting unit in the rear
hub.
22
Rear hub
29
Front
pulley
28
Belt
30
Rear
pulley
47
Control element on handlebar (not shown)
28
30 29
22
Fig.19: Hub gears components
24
15.2.2 Use of hub gears
Important: In addition, observe the
corresponding manufacturer's
instructions for your hub gears or
for your control element.
Your hub gears have either a gear lever or
a twist grip shifter as the associated control
element.
• For shifting with gear lever:
Press the lower lever on the control up
to shift up.
Press down the upper lever on the
control element to shift down.
• For shifting with twist grip shifter:
Turn the twist grip shifter in or against
the direction of travel to shift up or down.
Hub gears with step display (does not
apply to continuously variable hub gears):
Make sure that the set speed is displayed
in the center of the display field on the
twist grip shifter to ensure that it is set
correctly.
24 Figure with belt drive; however, there are also e-bikes
with chain drive, which have hub gears.
16 Suspensions
16.1 General information
16.1.1 Functionality of suspension
components
Suspension components include a spring
(exposed or inside the component) that
operates either mechanically or pneumati-
cally, depending on the model.
During compression, the spring is com-
pressed by the force acting on the sus-
pension component. When the spring then
moves back to its previous (relaxed) shape
during extension, it pushes the suspension
component to its original position. Depend-
ing on the model, hydraulic dampers provide
better control during compression/rebound.
Available suspension components
Depending on the model, your e-bike has
one or more of the following suspension
components:
• A suspension fork.
For more information on the function
and position on the e-bike, refer to chap-
ter 16.2 “Suspension forks”.
• a coil-sprung seat post.
For more information on the function
and position on the e-bike, refer to chap-
ter 16.4 “Suspension seat posts”.
• A rear shock absorber.
For more information on the function
and position on the e-bike, refer to chap-
ter 16.3 “Chainstay damper”.
16.1.2 Suspension component
adjustment
To ensure the function of the respective sus-
pension, the frameset must be adjusted to
the cyclist's weight and the range of use.
• Have your suspension components
adjusted by a FLYER specialist dealer or
have a FLYER specialist dealer instruct
you on the correct adjustment of the
respective component.
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