Valves

• Common Valve Types

  There are two valve types that have become market standard in North America and it is difficult to make any particular recommendation. The most important aspect is that the valve fits the rim valve hole and that an appropriate pump is available. Contrary to popular belief, major air retention differences are now a thing of the past. In any case, all Schwalbe valves provide excellent performance and are adapted to high-pressure use. The Presta Valve (SV) is narrower than other valves (6 inSome readers

• What is the purpose of a rim nut?

  The rim nut fixes the valve in the rim. Some regard it as unnecessary. And indeed, you may well ride your bicycle without a rim nut. It is however helpful when attaching the pump connector, as particularly when the pressure is low the valve may fall inside the rim. With some rims there may be a rattle if the valve is not fixed. The use of a rim nut also prevents unwanted movement around the valve, [which can prevent valve tear off damage](https://schwalbetires.crisp.help/en-us/article/what-causeFew readers

Tire Pressure

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