Marlin s classic adjustable Dual Mount Handlebar mounts with both clock and thermometer. They re made with a triple chromed billet aluminum housing and quality clock and thermometer movements. These fully adjustable mounts will add style and function to your ride. Spilt ring mount for easy install and head swivels and rotates to adjust to most positions. All units are waterproof, shock resistant and have glow in the dark elements (glowing elements require exposure to light for activation). Available for 1-1/4 , 1 or 7/8 handlebars (clear plastic isolator used with 7/8 bars)