Features: High quality aluminum alloy body is sturdy, anti-crack, durable for long time use. Lightweight and portable, it can be placed on rear rack, very convenient to carry. Suitable for American and France air valve, fits almost all the bike. The foot pedal adopt concave and convex anti-skid design, air-pumping is more stable. High efficiency, more air per stroke, it's a good aid for out on a ride.
