Heated grips controlled with an, included, 2-stage rocker style switch that can be installed on the left side handlebar. Spacers are included so the switch will fit 1-1/8″ (29mm) handlebars. The included reducer sleeves allow installation on 1″ (25.4mm) and 7/8″ (2mm) handlebars. Comes complete with installation instructions. These air cushioned grips come with a special core bar with air pockets inside the grip body helps dampen vibrations and enhance comfort, an actual Air Ride for you hands. Soft serrated texture for no-slip confidence. With 6061 billet aluminum end caps and collars it is finished to perfection.