The Delta XL Smart Phone Holder is an Instant Bike Dashboard: Perfect for any enthusiast, delta’s bicycle phone mount allows you to securely display your mobile device while riding. Multiple Mounting Options: Included handlebar and stem cap mounts allow you to position your mobile phone in your desired location. Ride with Confidence: Featuring a built-in lock mechanism, your plus-sized smartphone is secured safely with multiple grip points and bumpers, to prevent shock and reduce vibration on rough terrain. Adjust the angle of display for convenient viewing while riding to easily access navigation, answer that important call or stop for the perfect photo opportunity. Designed for road cycling, your mobile phone is fully enclosed and securely mounted in place with a built-in locking mechanism. Precision engineered design grips your device, providing ease-of-mind on the roughest terrain.