Koyo Seiko was formed in 1921 and now part of the JTECT Corporation Koyo are still a very big name in automotive in particular motor cycles. 

Noted for very high quality and longevity Koyo are often the first choice for replacement wheel bearings.

​​​​​​​Koyo seiko was founded in 1921 by mr. ikeda. In the decennia that followed it has become one of the world’s leading manufacturers of bearings and automotive steering systems.