Designed for inflating mountain bike's front and rear forks, suspension seat post, bike and E-bike tyres. If you accidentally pump up the tire pressure too much, press the deflation valve to fine-tune. It is up to 300psi, faster air inflate, saving effort and time. 360 rotatable hose, easy to pump up. Features: Designed for inflating mountain bike's front and rear forks, suspension seat post, bike and E-bike tyres. 300PSI for quick inflation, time and labor conservation. Compatible with Schrader & Presta valve, quick and easy to use. Transparent gas-pressure meter allows you to read the tire pressure clearly and directly. Fine-tune bleeder button to obtain the exact pressure for the ultimate comfort on your ride. Ergonomic T-handle, comfortable to grip. 360 degree rotating flexible hose can reach the valve at at any angle. Aluminium alloy frame, durable, corrosion-resistant with good hand feeling. Specifications: Material: Aluminium alloy Color: Black / Titanium ( optional ) Max Pressure: 300PSI Pump Length: 33 - 51.8 cm / 13.0 - 20.4 in Pump Weight: 167.5 g / 5.9 oz Package Size: 35.5 * 7.5 * 4.5 cm / 14.0 * 3.0 * 1.8 in Package Weight: 230 g / 8.1 oz Package List: 1 * Bicycle Pump