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Category 3 *
Components allowed to be changed according to the bike or
bike part's manufacturer
• Pedal crank arm
(Provided that the distances/chainsets/frame
centre (Q-Factor) are observed)
• Wheel without hub motor
(Provided that the ETRTO is observed)
• Chain or drive belt
(Provided that the original width is observed)
• Rim tape
(Use the correct rim tapes for the rims) Modi-
fied combinations may result in rim tape shift-
ing and thus in defective inner tubes)
• Tyres
(The increased acceleration, additional weight
and more dynamic cornering require the use
of tyres approved for e-bike use. As a result,
compliance with the ETRTO is essential)
• Brake hoses/brake cables
• Brake pads
(Disc, roller, drum brakes)
• Handlebar/stem unit
(Provided that there is no need to change the
lengths of cables and/or hoses. It should be
possible to change the seating position with-
in the original hose lengths for the benefit of
the consumer. Going beyond that results in a
significantly changed load distribution on the
wheel and could seriously affect steering)
46
• Saddle and seat post unit
(Provided that the offset to the rear does not
exceed 20 mm with regard to the series/orig-
inal area of application. In this case as well,
modifying the load distribution beyond the in-
tended adjustment range could seriously affect
steering.
The length of the saddle brace on the saddle
frame as well as the saddle shape are also im-
portant)
• Bicycle lights
(Headlights are designed for a specific voltage
which must be compatible with the vehicle's re-
chargeable batteries. In addition, electromagnet-
ic compatibility (EMC) must be ensured provided
that the headlight may be responsible for a part
of the potential interference)
• Sprockets and derailleur cassettes
*The manufacturer of the part can only approve a component
if it was tested in accordance with its intended use and with
standards beforehand. A risk analysis must also have been
performed.
Category 4
Components not requiring any special kind of approval to be
changed
• Headset bearings
• Bottom bracket
• Pedals
(Provided that the pedal is not wider than the
series/original area of application)
• Derailleur
• Rear derailleur
(All gear change parts must be suitable for the
number of gears and be compatible with one
another)
• Gear lever
• Gear cables and housings
• Chain rings/belt pulleys/sprockets
(Provided that the number of teeth and the di-
ameter is identical to
the
series/original area of
application)
• Chain guard
• Mudguards
(Provided that the width is not smaller than the
series/original parts and the distance to the
tyre is at least 10 mm)
• Spokes
• Inner tube of the same type with the same
valve
• Dynamo
• Rear light
• Reflector
• Spoke reflectors
• Bike stand
• Grips with screw clamps
• Bell
Category 5
Special notes for mounting accessories
• Rear view mirrors are allowed.
• Additional battery/rechargeable battery-op-
erated headlights are permitted in accord-
ance with § 67 StVZO (Germany's Road
Traffic Licensing Regulations).
• Trailers are only permitted after approval
by the vehicle manufacturer.
• Child seats are only permitted after approv-
al by the vehicle manufacturer.
• Front baskets are not recommended due to
the undefined load distribution. Only per-
mitted after approval by the vehicle man-
ufacturer.
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