Perfect back-up equipment for cycling. Features: 300PSI bike pump is compatible with both Presta valve and Schrader valve by easy manual changing. Two pressure modes for selecting.Specially designed for pumping tires and front forks. Constructed with aluminum alloy,durable and lightweight to use. Pressure gauge provides clear viewing and prevents damage from over inflation. 360 rotary hose designed for easy pumping.Fixed slot to easily store the hose when you do not use the pump. Equipped with a mounting bracket,easily attach the pump to your bike frame in different ways. Specification: Material: Aluminum alloy Pressure Capacity: 300PSI Size: 25 * 4.5 cm / 9.8 * 1.8 in Package weight: approx. 222 g / 7.8 oz Package List: 1* Pump (with a Presta Valve Convertor) 1* Mounting Bracket