Propulsion system of Klever Mobility
6.1. Sensors and function
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Once you have turned on the drive (See also Section 6.3. Display) and you start pedaling the engine will
support you as long as you pedal, up to a max. speed of 45 km/h
This limitation of the support, the B Speed moves within the legal framework of the Road Traffic Act and
is still considered as a normal bicycle. It is exempt from compulsory insurance and do not need a license.
Likewise, it is not compulsory to wear a helmet, although we strongly recommend it for your own safety.
The five (different) levels of support you can select according to the external circumstances (e.g. level four
(high level) on climbing uphill or headwind) or your personal preferences. Please note that a high level of
support also means a higher consumption of current and reduces the range of the system and the battery.
When you drive faster than 55 km/h, the automatic energy recovery (technical recuperation) is activated.
The motor operates as a generator and charges the battery again.
If you ride beyond 60 km/h (e.g. downhill) the system may enter auto-protection mode. In this condition the
system is still alive (e.g. display lights up, but the motor output is temporarily shut off, and will not
automatically restored.) The system will shut off when the bike stops.
To restore the system from auto-protection mode to normal operation, press the power key to power on
your bike.
The Biactron system (on B Speed) is designed to perform at vehicle speeds not exceeding 60 km/h.
Speed beyond 60 km/h may cause permanent damage to the system.
The Speed Pedelec is equipped with a torque sensor in the dropouts, which is
electronically controlled. This sensor accurately measures
the change in tension force of the chain at every step (left or right)
and informs the system about the force you exert during pedaling.
A computer in the control unit then calculates the values, with which
the additional thrust of the motor it is very sensitive and harmonious
controlled.
During pedaling, the torque and the pedal sensor measure very
sensitive and exactly the drivers input and enables the motor
controller to operate the additionally support of the Motor
The thrust itself can influence even on the five levels of support
(Turbo, High, Medium, Low, Ultra Low).
This makes the system very efficiently and economically, saves
power consumption and maximizing range.
The additional speed sensor controls the power of the electric
motor to zero once you have reached 45 km / h. From this and a
higher speed the Speed Pedelec works like a conventional bicycle.
