* Secure Weatherproof bungee and patented cam lock* Precision molded thermoplastic with rubber inserts* Works with all phones and cases. Sliding system allows for instant in/out on the go* Handlebar and stem mounts included: handlebar diameters up to 1 3/8"/35 mm* Includes additional ElastoMount to connect to any bar and for quick on/off* Sound booster feature* Weight: 0.24 lb / 110 grams