DIA COMPE GC60.4 Notched washer

A manufacturer of bicycle parts with a tradition of over 60 years

As a specialized brake manufacturer, we develop products with safety and reliability in mind, and started as a rim brake manufacturer in the early Showa period. After the war, the company developed caliper brakes under its own brand name "DIA" brakes for the first timE
In 1965, the "DIA-COMPE" caliper brake was created using new forging technology developed in-house and made purely in Japan. caliper brake was born.