WILL NOT FIT DRESSER MODELS WITH AUDIO CONTROLS. Customize the most visible area the factory overlooked - the handlebar controls. Designed to work with all 1-1/4 diameter handlebars. OEM wires and switches mount directly into these housings, so there is no need for new wires and switches. Each Complete Kit includes clutch lever assembly with clamp half, a master cylinder assembly with clamp half, and the right and left switch housings. Switch Housing Kit includes right and left housing only with mounting hardware. Kits come complete with all hardware for easy installation WITHOUT SWITCHES OEM COMPATIBLE MATERIAL DIE CAST / ALUMINUM FOR BRAKING SYSTEM NON-ABS DISC DUAL ACTUATION: MECHANICAL BRAKE MASTER CYLINDER BORE DIAMETER 11/16" CLAMPING DIAMETER 1".