Bosch i:SY E5 ZR F CX Translation Of Original Operating Instructions page 120

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6.4.4.6 Straightening the saddle
 Position saddle in direction of travel. In doing
so, align the tip of the saddle with the top tube.
Figure 104: Positioning the saddle in direction of travel
6.4.4.7 Adjusting the saddle height
To adjust the saddle height safely, either:
Push the pedelec near to a wall so that the
pedelec rider can lean on the wall to support
themselves or
Ask another person to hold the pedelec.
1 Use the seat height formula to roughly set the
saddle height:
Seat height (SH) = inner leg length (I) × 0.9
2 Climb onto the bicycle.
3 Place your heel on the pedal and extend your
leg, so that the pedal is at the lowest crank
rotation point. Your knee should now be fully
extended.
Figure 105: Heel method
MY23I0a - 42_1.0_22.01.2024
4 Take a test ride.
 Pedelec riders sit straight on the saddle at an
optimal saddle height.
If the pelvis moves to the left and right as you
pedal, the saddle is too high.
If your knees are painful after a few kilometres,
the saddle is too low.
 Position the seat post according to needs if
necessary. Adjust the seat height with the
quick release.
5 Open the quick release on the seat post to
change the seat height (1). To do so, push the
clamping lever away from the seat post (3).
3
4
Figure 106: Opening the seat post quick release
6 Set the seat post to the required height.
CAUTION
!
Crash caused by an excessively high seat post
setting
A seat post with is set too high will cause the seat
post or the frame to break. This will cause a crash
with injuries.
 Do not pull the seat post out of the frame
beyond the minimum insertion depth marking.
Operation
2
1
5
120

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