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Tyres are available in various dimen-
sions. The tyre dimensions are stat-
ed with normed information.
Example 1: “46-622” states that the tyres
have a width of 46 mm and the rim has a di-
ameter of 622 mm
Example 2: “28 x 1.60 inches” states that
the tyre has a diameter of 28 inches and a
width of 1.60 inches
The permitted tyre pressure may not
be exceeded when inating the tyres.
Otherwise this could lead to the dan-
ger of a tyre exploding. The tyres have to be
pumped up with at least the stated minimum
tyre pressure. If the tyre pressure is too low,
there is a possibility that the tyre could free
itself from the rim.
If the ination pressure rating indicated on
the tyre and on the rim differ, the lower maxi-
mum pressure and the higher minimum pres-
sure apply.
If you replace the tyres, only exchange them
for the same model with the same dimensions
and prole. The bicycle’s handling could oth-
erwise be negatively affected. This can in turn
result in accidents.
• Never expose components made of carbon
bre to high temperatures. Intense sun-
light can produce high temperatures, for
example when the wheel has been stored
in a vehicle. This could damage the com-
ponent’s structure. Failing parts, falls and
very serious injuries could result.
Tyres and tyre pressure
The amounts for the recommended tyre pressure
can either be named in bar or PSI. The follow-
ing table presents the conversions for the usual
pressure levels and shows which tyre widths
these pressures should be applied to.
Tyre width Recommended tyre
pressure
20 mm 9.0 bar 130 psi
23 mm 8.0 bar 115 psi
25 mm 7.0 bar 100 psi
28 mm 6.0 bar 85 psi
30 mm 5.5 bar 80 psi
32 mm 5.0 bar 70 psi
35 mm 4.5 bar 65 psi
37 mm 4.5 bar 65 psi
40 mm 4.0 bar 55 psi
42 mm 4.0 bar 55 psi
44 mm 3.5 bar 50 psi
47 mm 3.5 bar 50 psi
50 mm 3.0 bar 45 psi
54 mm 2.5 bar 35 psi
57 mm 2.2 bar 32 psi
60 mm 2.0 bar 30 psi
Please also inform yourself using
the information provided by your tyre
manufacturer. This could possibly be
different from the tyre pressures listed here.
Not adhering to these guidelines can lead to
damage to your tyres and inner tubes.
Example of tyre pressure information
Your bicycle can only function safely
and effectively if you replace parts
with suitable, authorised replace-
ments. Please consult your manufacturer,
importer or specialist retailer for advice on
suitable replacement parts.
Tyres are wearable parts. You should
therefore regularly check the pres-
sure, tread and condition of your
tyres. Not ever tyre is designed for every type
of use. Allow a specialist retailer to advise you
when selecting tyres.
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