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The gear lever behind the left brake lever switches
to the small chain wheel after activation with short
lever movement and to the large chain wheel af-
ter activation with a long lever movement.
Shifting lever
Twist grip shifter
Source: SRAM
®
Combination of hub and chain gear:
This type of gear system is offered by SRAM
under the name “Dual Drive”. This type of gear
system has a 3 gear hub and additional sprock-
ets for conventional chain gear changes. One of
the advantages of this system is that there is no
need for a front derailleur and therefore also little
angled running of the chain.
The hub gear components are operated with a
thumb switcher and the chain gear system with a
grip shifter or a trigger shifter in the latest models.
The precise approach when setting up or re-
moving/tting the rear wheel
is explained in the enclosed instructions from the
manufacturer.
Automated gear selection
This is a continuous transmission system that al-
lows the driver to switch gears automatically or
manually.
Select the Automatic mode and simply set your
preferred pedaling frequency on the rotary han-
dle; the harmony system regulates everything
else. The drive automatically and continuously
adjusts the transmission, so that your preferred
pedalling frequency is always maintained.
Select Manual mode and directly regulate the
continuous transmission on the rotary handle
when you want to choose your gear ratio.
The desired gear-changing mode
can be selected with a button on the
rotary handle.
The display on the rotary handle shows whether
the automatic or the manual mode has been se-
lected.
When the manual mode is active, you will see
an orange symbol depicting a cyclist on an in-
cline. The easier the gear selected, the further up
on the incline the driver will be shown.
Manual operation
Fast transmis-
sion ratio for
speed
Easy transmis-
sion ratio for
inclines
When the automatic mode is active, the rotary
handle display will show the symbol of a crank
with pedals and a quarter-circle of blue, illuminat-
ed elements. The higher the pedalling frequency
you selected, the more illuminated elements will
be shown.
Gear shift system
As an alternative, you can have a transmission
installed that operates with twist shifter. The
operating instructions as well as procedure for
removing / tting the system in the case of a
Automatic mode
Slower pedal-
ling frequency
Faster pedal-
ling frequency
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