Thrashin Supply Co. is a U.S.-based motorcycle parts and accessories brand founded in 2014 in the San Fernando Valley, California. What began as a group of friends designing custom parts for their own riding styles has since evolved into a full-fledged company producing performance-driven components for V-Twin motorcycles. Their product lineup includes handlebars, risers, foot controls, exhaust systems, luggage, apparel, and more. All products are designed in Los Angeles and are used by riders worldwide