RAM-B-149Z-PD3U: RAM Motorcycle and bicycle Universal Handlebar Mount for SmartPhone / iPhone 3/3GS/4 / HTC / Samsung / Motorola / LG Android Phone Cradle Clamping Dimensions: Height Range: 4.75" - 5.25" Width Range: 2.25" - 3.25" The zinc coated u-bolt base accommodates rails 0.75" To 1.25" in diameter Universal Cradle