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Tires and inner tubes
Shulz bicycles are equipped with universal type of tires, which has a good coasting on paved roads
and also has good grip on soil roads. On the sidewall of the tire there are indications of its dimensions
and the range of working pressure. It is useful to know the size of the inner tube to replace it or the
tire. We recommend checking the wheel pressure at least once every two weeks.
Choosing the optimal pressure in the wheels depends on surface you will ride most often. The greater
the tire pressure, the easier to cycle due to the less road grip. It is enough to deflate the tires by
6—12 PSI (0.5—1 BAR), and the motion will become softer, the road grip will increase, but such a bike
will be harder to ride.
Never inflate wheels over the maximum pressure indicated on the sidewall. Over-inflation of the tires
may cause the inner tube to blow out, as well as damage to the tire and rim. If possible, use a pump
with a built-in air gauge.
There are several types of valves, but the most common of them is the Schrader valve (automatic
valve). Most pumps are suitable for this valve. To inflate an inner tube with an automatic valve remove
valve retaining cap and attach the pump tip to the end of the valve. Not every pump has an overpres-
sure relief valve, so if you need to deflate tires, just press on the small pin inside the valve with a thin
object.
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