Kettler KN170 PD Series Translation Of Original Operating Instructions page 111

6.4.6.5 Setting the quill stem
Only applies to pedelecs with this equipment
In the case of a quill stem, the stem and fork
steerer form a permanently interconnected
component, which is clamped in the fork steerer.
The stem and shaft must be replaced together.
Figure 108: Adjusting the quill stem height
1 Undo screw.
2 Pull quill stem out.
3 Tighten screw.
Only applies to pedelecs with this equipment
Angle-adjustable stems are available in different
lengths for quill and Ahead stems.
Figure 110: Different versions of angle-adjustable stems
Adjusting the stem angle (c) changes both the
distance from the upper body to the handlebars
(b) and the handlebar height (a).
MY24K12 - 13_1.0_01.02.2024
6.4.6.6 Adjusting the Ahead stem
Only applies to pedelecs with this equipment
In the case of an Ahead stem, the stem is placed
directly on the fork steerer, which protrudes over
the frame.
Figure 109: Raising the Ahead stem by fitting spacer rings
The handlebar height is adjusted once during
production using spacer rings. The part of the fork
steerer protruding is then cut off. The handlebar
stem can then no longer be set higher, but only
slightly lower.
Figure 111: City bike (blue) and trekking bike position
(red) by changing the angle
6.4.6.8 Checking the stem
 Check saddle stem after adjusting it (see
Section 7.5.5).
Operation
b
c
a
b
a
c
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