These handlebar mounted indicators are the ultimate form-follows-function design as they help to reduce handlebar vibrations. They fit all handlebars with internal diameters from 11.5 mm thru 24 mm and feature TÜV and EU approved lenses and a 12 Volt/21 Watt halogen bulb. Available in chrome plated or black powder coated steel, satin or polished finish Stainless Steel, as well as black anodized, machined or polished aluminum. Due to their reduced weight, the aluminum version gives less vibration damping. These handlebar vibration damper/indicators are sold each. Order two pieces to complete one motorcycle.