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Maintenance and care
51
HP
Velotechnik
Alternatively you can mount the stays at the
two outer screws of the U-brace or fasten it
with a clip in the middle of the lower leg of
the suspension fork.
After you have performed service work or re-
placed mudguards check if the wheels turn
freely. Between mudguard and wheel has to be
a distance of at least 7 mm.
Check whether the suspension can still fully
compress with themounted mudguards.The
mudguards, stays and screws (especially at the
U-brace of the suspension fork) must not
touch other parts under maximum compres-
sion.
Wheels
The correct air pressure is decisive for
smooth running and a good protection against
punctures.The maximum pressure is printed
on the side of your tire. Since your Street
Machine GT is fully suspended you can always
go for the maximum pressure.You might find
an indication of the minimum required pressu-
re on the side of the tire as well.
Since the tubes in the tires gradually loose air
you should check the air pressure before eve-
ry ride.
The tubes come with Presta valves (also called
french valves).They are very airtight and easy
to pump up. For that purpose first undo the
valve cap.
Now you see a small threaded rod with a
knurled nut that comes out of the valve. Undo
the knurled nut by loosening it as far as it
goes.
To pump up the tire and check the pressure
you need a pump with a gauge, preferably a so-
lid standing air pump. Put the knob of the
pump on the valve, push it completely on the
valve and then retract it a little bit. Now you
can pump up your tire easily.
After you have pumped up the tire to the ma-
ximum pressure pull off the pump knob.
Secure the valve through turning the knurled
nut on the threaded rod as far as it will go to-
wards the valve. Finally put on the valve cap
again.
Mudguards,Wheels
Before pumping up the tire,you have to undo the little knurled
nut on the valve.
Danger! Never pump up your tires beyond
the maximum pressure.The tire may burst
while riding or come off the rim, which may
result in a serious fall.