Wide applicability: Our butterfly thumb set fits all motorcycles, dirt bikes, mountain bikes, beach bikes and other machines that have a 7/8 inch (22mm) handlebar, providing seamless gas control for a pleasant ride. Elaborate craftsmanship: Machined from solid aluminum blanks and anodized in different colors, this assembly provides good durability while maintaining a lightweight construction through a unique process. Enhanced comfort: Improve your riding performance with our throttle thumb assembly that allows effortless carburetor opening, resulting in reduced thumb and hand fatigue during long rides. Enjoy airflow for improved carburetor performance. Built to last: Made from notch materials, this butterfly thumb assembly has good durability and strength, which makes it not susceptible to breaking. Its good quality ensures its use, even under direct sunlight. Typical applications: Long distance rides on motorcycles or dirt bikes where fatigue reduction is beneficial; off road or mountain bike riding that benefits from easy throttle control and improved airflow; performance or competitive use on 7/8 inch handlebars in sunny conditions.