Marlin's Clock / Thermometer With Classic Adjustable Handlebar Mount The Marlin Handlebar Clocks and Thermometers blend timeless design with precision engineering, featuring a billet aluminum casing and high-quality movements. These accessories not only elevate the look of any vehicle but also enhance its functionality with their fully adjustable design. Installation is simplified with a split ring mount, allowing for flexibility in positioning by enabling the head to swivel and adjust to almost any angle. Features: All units come ready for easy installation Available for 7/8, 1, 1-1/4 and 1-1/2 bars Fully adjustable to always face you Water resistant and shock resistant Standard gauge is 1-3/4 diameter Jumbo gauge is 2-1/8 diameter Glow in the dark elements