Using The Derailleur Gears; Using A Hub Gear; Use Eshift - Bosch Bulls Aminga E1 Translation Of The Original Operating Instructions

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6.15.1 Using the derailleur gears

Only applies to pedelecs with this equipment
The speed and range can be increased while
applying the same force if you select the right
gear. Use the derailleur gears.
I
1
2
Figure 81: Down shifter (1) and up shifter (2) on the left (I)
and right (II) gear shift
 Select the appropriate gear with the shifter.
 The gear shift switches the gear.
 The shifter returns to its original position.
 Clean the rear derailleur if the gear change blocks.

6.15.2 Using a hub gear

Only applies to pedelecs with this equipment
CAUTION
!
Crash caused by incorrect use
If the rider applies too much pressure on the pedals
during a gear change and activates the shifter or
changes several gears at a time, their feet may slip
from the pedals. As a result, the pedelec may flip
over or fall, which may cause injury.
Switching down several gears to a low gear may
cause the twist grip outer sleeve to suddenly come
off. This will not have an adverse effect on the twist
grip's correct functioning since the outer guide
returns to its original position after the gear change
is complete.
 Apply little pressure on the pedals while changing
gears.
 Never change more than one gear at a time.
MY20B01-32_1.0_21.06.2019
The interior hub is not completely waterproof. If
water gets into the hub, it may rust and the gear
switch function may no longer function as a result.
 Never use the pedelec in places where water
may get into the hub.
In rare cases, noises may be heard from the rear
derailleur in the hub interior after a gear change.
II
This is normal when gears are changed.
1
Do not detach the hub. If you need to detach it,
contact your dealer.
2
Figure 82: Example; Shimano Nexus gear shift twist
grip (1) for the hub gear with its screen (3), the direction of
rotation to switch up a gear (2) and the direction of
rotation to switch down a gear (4)
 Turn the twist grip.
 The gear shift switches the gear.
 The number on the screen display shows the
changed gear.

6.15.3 Use eShift

eShift refers to the integration of electronic gear
shift systems into the pedelec system.
6.15.3.1
Only applies to pedelecs with this equipment
You can operate the automatic Shimano DI2 hub
gears in manual mode or automatic mode. You
used the shifter to change gears in manual mode.
In automatic mode, the shift system changes gear
automatically depending on the speed, pedalling
power and pedalling frequency.
Notice
3
2
4
eShift with Shimano DI2 automatic
hub gears
Operation
1
84

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