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