Thumb Switch

KOSO Thumb Switch Compact control for heated grips — the KOSO Thumb Switch puts effortless, on-the-fly heat adjustment at your fingertips. Designed to work with any KOSO heated grips that use a separate controller, this slim thumb-operated switch simplifies temperature changes without removing your hands from the bars. Universal compatibility: Fits all KOSO heated grips with a separate controller for seamless integration. Plug-and-play installation: Simple wiring and connector design make mounting fast and tool-light. Five heating levels: Precise control with five distinct settings to match changing weather and riding conditions. Device charging: Built-in Type A or Type C USB port lets you charge your phone or accessories while riding. Engineered for durability and ergonomics, the KOSO Thumb Switch delivers reliable performance and intuitive operation. Ideal for commuters and touring riders who need quick access to grip heat and a convenient charging option on the road.