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 
