CHARACTERISTICS New universal mounting system on the handlebar - universal installation between the master cylinder and the handle Light and compact protection The universal handlebar adapts to the outer diameter: 22-28mm (0.87-1.1") - twinwall and fatbar Black and white plastic cover included Protection of hands and master cylinders Ventilated for maximum airflow Adjustable horizontally in 2 positions Both mounting systems are fast and easy to install, and are included in the box I DON'T KNOW 1 pair of handrails 1 lever mounting kit 1 universal mounting kit for handlebars