Founded in 1933, DAIDO KOGYO CO., LTD or D.I.D are known for dependability in design started production of chains for bicycles and has become the world’s number one genuine parts manufacturer who strive on uncompromised quality powered by technology.
With over 85 years’ experience serving roller chain products worldwide, D.I.D is one of the most dependable chain supplier for special application.
The D.I.D brand drive chains and aluminium rims that are all manufactured in Kaga, Ishikawa prefecture, Japan, and supplied worldwide.