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Bergamont Pedelec 2016 Manual

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MTB-PEDELEC | ORIGINAL OPERATING INSTRUCTIONS 2016 ORIGINAL OPERATING INSTRUCTIONS 2016 | MTB-PEDELEC
psi bar psi bar
10 0.7 40 2.8
15 1.0 45 3.1
20 1.4 50 3.4
25 1.7 55 3.8
30 2.1 60 4.1
35 2.4 65 4.5
b ca e fd
ENGLISH
ENGLISH
Rims of clincher and folding tyres require in general a high-value rim tape over
the complete width of the rim base. In the case of rim brakes, the rim tape pro-
tects the inner tube from the braking heat which could make the tyre burst.
DANGER!
G
Replace tyres with a worn tread or with brittle or frayed sides. Dampness
and dirt penetrating the tyre can cause damage to its inner structure. The
tube might burst. Risk of falling!
DANGER!
G
If you mount a new tyre with another size than the standard tyre mounted,
it might be possible that the clearance between the front of your shoe and
the wheel will be reduced when you ride at reduced speed. Also observe the
space between fork and frame. Risk of accident!
DANGER!
G
Treat your tyres with care. Always ride your bike with the prescribed tyre
pressure (f) and check the pressure at regular intervals, at least once a
week. Riding with too low or too high air pressure may make the tyre come off
the rim or burst.
DANGER!
G
Clincher and folding tyres allowing an inflation pressure of five bars or more
have to be mounted on hook bead rims, identifiable by the designation “C”.
DANGER!
G
Observe the maximum pressure value of the rim. The pressure is depend-
ent on the tyre width. You can find the values in the manuals of the rim or
wheel manufacturer on this BERGAMONT info CD.
DANGER!
H
Please note that a pedelec weighs more and that your usual tyre pressure
may be insufficient. A higher pressure gives a better riding stability and
reduces the risk of a puncture. The minimum and maximum pressure (in bar or
psi) is indicated on the tyre side.
NOTES ON TYRES, INNER TUBES, RIM TAPE, INFLATION PRESSURE
The tyres should provide grip and traction. At the same time they should run
smooth and enhance the rider’s comfort by absorbing small shocks. Both the
rolling friction and the grip depend on the nature of the tyre carcass, the rubber
compound and the tyre tread. Your BERGAMONT dealer will be pleased to help
you choose from the numerous types of tyres (a).
If you want to mount a new tyre, you need to observe the sizing system and
the actual size of the old tyre. The latter is specified in two different units on the
side of the tyre. One of the sizes is the standardised size in millimetres which is
more precise, e.g. the number sequence 57-622 (b) means that the tyre is 57
mm wide when fully inflated and has an inner tyre diameter of 622 millimetres.
The other size is indicated in inches (e.g. 29x2.25”).
Tyres must be inflated to the proper inflation pressure (c) to provide an optimal
compromise between smooth running and riding comfort. Properly inflated
tyres are also more resistant to punctures. An insufficiently inflated tyre can
easily get pinched (“snakebite”) when it goes over a sharp kerb.
The air pressure recommended by the manufacturer is given on the side of the
tyre or on the type label (d). The lower of the two pressure specifications makes
for better cushioning for lightweight riders and is therefore best for cycling on
a rough surface. Rolling resistance on level ground decreases with growing
pressure, but so does comfort. Highly inflated tyres are therefore most suitable
for heavy riders and for riding on tarred roads. Therefore, adjust the pressure to
your weight and your riding habits.
Inflation pressure is often given in the old system of units, i.e. in psi (pounds per
square inch). The table gives the most common pressure values in terms of both
systems (e).
Clincher and folding tyres and rim alone are not able to hold the air. Therefore,
an inner tube has to be placed inside the tyre to retain the air pressure.
… 53 …


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