Crank Brothers

Gem Hand Pump

The Schrader valve is a wider valve commonly found on car tires and some bicycles, featuring a spring-loaded mechanism for easy inflation and deflation. In contrast, the Presta valve is narrower and primarily used on road bikes, requiring a different pump design. Knowing the difference helps you choose the right pump for your bike tires.

PSI, or pounds per square inch, measures the air pressure inside your bike tires. Maintaining the correct PSI is crucial for optimal performance and comfort while riding. A higher PSI means a firmer tire, which can improve speed but may reduce comfort. Always check your tire's recommended PSI to ensure a safe and enjoyable ride.

A magnetic head allows the pump to easily connect to both Schrader and Presta valves without needing separate attachments. This feature makes it quick and convenient to switch between valve types, ensuring you can inflate your tires efficiently, regardless of the valve style.

A high-pressure version of a bike pump is designed to handle air pressures up to 130 PSI. This capability is essential for inflating tires that require higher pressure, such as those on road bikes. If you ride a bike that needs more air pressure, investing in a high-pressure pump will ensure you can maintain optimal tire performance.

Not directly. A Schrader valve pump is designed for wider valves and won't fit a Presta valve without an adapter. However, if you have a pump with a magnetic head or a dual-function design, it can easily accommodate both types of valves, making it a versatile choice for cyclists.

You can check your bike tire's pressure using a pressure gauge. If the PSI is below the recommended level indicated on the tire sidewall, it's time to inflate. Additionally, if the tire feels soft or squishy when you press on it, that’s a sign it needs more air. Regularly checking your tire pressure helps ensure a safe and smooth ride.