Tannus, founded in South Korea in 2003 by chemical engineer Youngki Lee, specializes in innovative bike accessories, particularly tire liners, inserts, and airless tires. Known for its proprietary Aither compound, a unique micro-closed cell polymer resin, Tannus has expanded globally, establishing Tannus International in London and a North American division. The company introduced airless tires in 2011 and continues to invest in sustainable and high-performance cycling solutions. In 2025, Tannus Co. Ltd. launched a European subsidiary to enhance innovation and market expansion while reinforcing its commitment to recycling and environmental responsibility
