Cellet Universal Bicycle Phone Holder for Smartphones (Up to  3.5 Inches Wide) Easy release grip button to accommodate devices up to 3.5 inches wide Adjustable heavy duty handlebar grip accommodates handles 13-30mm in diameter Cradle with 360 degree rotation capability and turn-lock knob secures its position and provides flexibility Heavy duty handlebar grip has turn-lock knob to ensure a tight fit Fits large smartphones such as iPhone 6s Plus or Samsung Galaxy Note 5 with a case