Bluesim Mini Bike Pump with Flexible Hose, Built-in Schrader Presta valve- Black DURABLE MATERIALS - Aircraft grade aluminum, high density, powerful yet lightweight, easy to carry; Adopt 201 stainless steel and alloy which is dealed with anodic oxidation. MAX 260 PSI HIGH PRESSURE CAPACITY - Adopt Top Internal Pressurization Technology. Frame Pump easily switches from high volume (MTB pump) to high pressure (road bike pump), make the process becomes so easy, even perfect for children to use. SUPER FIT CLEVER VALVE" NO LEAKS - Firmly grips both Schrader and Presta valves automatically, Schrader valve Built-in Presta valve - no valve changing needed! This bike tire pump will not leak like other bike hand pumps often do! BIKE FRAME MOUNT- Attaches securely to your bike and holds your portable tire pump firmly in place. Flexible Hose for easy pumping, stored in the pump handle. MULTI-FUNCTION - Widely used for road, mountain & BMX bikes, electric cars, motorcycles, football, basketball, balloon, etc.