Operating instructions NJ1 & FREAK Compact bike
11
have low seating stability due to missing or
weak core musculature. A rocking motion
(forwards and backwards) of the upper body or
the head should be avoided where possible.
For this, the correct setting of the backrest (see
chapter 17) and the correct choice of the crank
length as well as the pedal position is decisive.
If necessary, you should also use a hip strap or
chest strap for stabilising.
Figure 3: Elbows are not stretched completely
Figure 4: Distance between the crank and the thigh
The cranks must not touch the thigh when
they are being turned.
The elbows should not be completely
extended when the crank handles point
completely forward away from the body and
the shoulders should rest against the backrest.
16.1.2 Pedal bearing position
When equipping the product with a
pedal
bearing support that cannot be adjusted
, a
subsequent adjustment of the pedal bearing
position can only be achieved by exchanging
the pedal bearing support.
The pedal bearing support can be exchanged
by loosening the four M6 fastening screws
(AF 5 mm) on the tip fork bridge and the four
M6 fastening screws (AF 4 mm) on the pedal
bearing housing. Then the new pedal bearing
support with another length can be inserted
and the 8 fastening screws tightened up to
7 Nm and secured with thread lock fluid.
Figure 5: M6 fastening screws on the top fork bridge
Figure 6: M6 fastening screws on the pedal bearing
housing
M6 fastening
screws on the
pedal bearing
housing
M6 fastening screws on the
top fork bridge
