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 Custom Contour grips are manufactured with Kraton rubber, featuring a very soft serrated texture that will not stain your hands but offers an an excellent grip in all circumstances. With 6061 billet aluminum end caps and collars it is finished to perfection.