D.I.D (Daido Kogyo Co., Ltd.) is a renowned Japanese manufacturer specializing in high-quality chains and sprockets for motorcycles, bicycles, and industrial applications. Established in 1933, D.I.D is recognized for its commitment to precision engineering and innovation, producing durable and reliable products that enhance performance and safety. The company’s extensive range includes standard and racing chains, catering to both everyday riders and professional racers. With a focus on quality control and advanced technology, D.I.D continues to be a trusted choice for enthusiasts and manufacturers worldwide.