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9.2 Tires
Damaged tires may burst when riding. Check on a regular basis whether tires are damaged or have been
significantly worn. Change the tires if you notice damage or significant wear. If you do not have the required
knowledge or the necessary tools to change the tires, contact a Carqon dealer. Keep reflectors clean and
replace missing or worn reflectors immediately. If the tires you have used do not correspond to the original
size, components may become damaged.
There are different types of tires which can be used, depending on the intended purpose of the cargo bike.
On the tire wall, the tire size is indicated in millimetres or inches.
Notation for millimetre indication: width - inner diameter, e.g. 62-584.
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The pumped up tires are 62 mm wide, the inner diameter is 584 mm.
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Notation for inch indication: Inner diameter × width, e. g. 27,5"×2.4".
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The pumped up tires are 2.4" broad, the internal diameter is 27,5".
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The tires and rims are not airtight; rather the air is retained in the inner tires with the help of an inner tube which
is filled with air via the valve. Contact a Carqon dealer if the tires show signs of cracks or damage or if the
profile is very worn.
Warning: Ensure that the tires do not show signs of cracks or damage due to sharp parts
or sharp objects. Check the level of wear to the tire profile and ensure that the tires are
not excessively worn. Slipping can be caused by worn tires.
9.3 Valves
Carqon flatbeds are equipped with the following type of valve: Express valve (Dunlop): secured with union
nuts; rim holes 8.5 mm/0.3" :
•
Turn the upper knurled nut (1) in an anti-clockwise direction towards the top, to let air out of the tires.
•
Completely unscrew the lower knurled nut (2) in order to change the valve insert.
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Turn the lower knurled nut (3) clockwise as far as it goes in order to close the valve.
Depending on the type of valve, you will require a pump to pump up the tires with a
suitable valve connector or a suitable adapter. To purchase an air pump with a suitable
valve connector or adapter for your valve, contact a Carqon dealer.
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