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Pedal bearing shaft
Crank
length
Grip width
Figure 6: Crank length and grip width
16.2 Grips
The grips must be held firmly with both hands
whilst driving and always held so that the
cables and lines are oriented upwards.
Figure 7: Correct grip hold
The cables for the Rohloff hub drive are an
exception for this. If the handles are held
correctly they point forwards into the direction
of travel (Fig. 8).
11
Operating instruction RAPTOR 4all & 4you
Hand grip
rotary axle
Crank
handles
Figure 8: Correct hold of the handle for the Rohloff
hub drive
16.3 Gear shift
16.3.1 Chain shift
For the chain shift, shifting procedures can
only occur while the crank is moving. Changing
the gear with the cranks stationary is not
possible. In general, the torque applied to the
cranks should be reduced briefly while
changing the gear so that the gear change can
happen more quickly.
The controls for the gear change are normally
designed so that they can be operated using
thumb / index finger switching fittings. With
the 9- / 10-speed cassette at the bottom,
switching to the next largest sprocket means a
lower or easier gear, and to the next smallest
sprocket to a larger or more difficult gear. For
the 3-speed chain wheels at the top, the
behaviour is exactly the opposite.
3-speed chain wheels
Figure 9: 9- / 10-speed cassette and 3-speed chain
wheels
9- / 10-speed
cassette
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