Features: Made of durable copper, which is covered by waterproof and anti corrosion plastic, not easy to break and get rust, share a long service life. Waterproof and dust-proof caps prevent dusts blocking up the air valve. Ball shaped valve caps, easy to grasp. Lightweight and convenient to install. Fit for all kinds of bicycles, scooters and cars. Discounted at only: US$ 8.77 
