Universal 7/8"" to 1"" Motorcycle CNC Aluminum Handlebar Mount Clock Watch for Harley Davidson Cruiser Chopper Custom Motorcycle -- Features: Condition: Brand New Housing Color: Chrome Clock Dial Color: Black Material: High quality Billet Aluminum Clock face is 100% waterproof, shock resistant Mounts on straight section of handlebars with a stainless steel screw Easy to install No installation instructions. Fitment: Most of the motorcycle/cruiser/chopper/custom with 7/8"; that's 1" handlebar Package included: 1 x Motorcycle Handlebar Mount Clock Assembly Instruction for Your Reference 1. Put the mount onto the 1 quot; handlebar and use the small wrench to tighten the set screw onto the handlebar. 2.For 7/8" handlebar, put the rubber pad into the mount slot first and then mount onto 7/8 quot; handlebar, use the small wrench to tighten the set screw onto the handlebar. 3. Remove the pull tab from the clock crown shaft. 4. Turn the crown to adjust the time of the clock. 5. Push the crown into place to make sure the clock is running. 6. Press-fit the clock with rubber gasket into the mount in place.