IDEAL Bikes TARGET, Instructions For Use Manual

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WHEELS
54
35.2 Tyre types
Tyres and rims are not usually airtight, but contain an inner tube that is filled with air via the
valve. The only exceptions to this are tubular tyres and UST tyres, which are airtight systems
that do not contain an additional inner tube.
The tyre size (
mm
or II ) is usually specified on the side of the tyre.
35.3 Valve types
1 2 3
1
Presta valve (Sclaverand)
2
Express valve (Dunlop)
3
Auto valve (Schrader)
Fig. 13: Valve types
Depending on the type of valve fitted on the tyre or tube, you will need a compatible valve
connector or adapter to inflate the tyre.
• If necessary, ask your specialist dealer which valve connector or adapter you need for
your tyre.
Presta valve (Sclaverand)
• To open the valve, turn the valve screw upwards (in an anti-clockwise direction).
• To let air out of the tyre, push down the valve screw (without the valve connector/
adapter attached).
• To close the valve, turn the valve downwards (in a clockwise direction).
Express valve (Dunlop)
• To let air out of the tyre, turn the top valve nut upwards (in an anti-clockwise direction).
• To replace the valve insert, unscrew the top valve nut completely (in an anti-clockwise
direction).
• To close the valve, turn the valve nut down completely (in a clockwise direction).
Auto valve (Schrader)
• To let air out of the tyre, push in the metal pin inside the valve.