Regina Chain is the oldest Italian chain in Europe, founded in 1919. Since its establishment, the company has been manufacturing motorcycle chains and has the largest market share of genuine motorcycle chains for European vehicle manufacturers.. It is also famous for being the first manufacturer in the world to release a gold motorcycle chain. Proactively supported races in various categories and won more than 300 titles. The technology and experience are fed back into our products.. Caulking type joint that can be used with standard chain caulking tools. Highest grade of street-legal Z-ring seal chain for high-powered bikes. Regina's patented Z-ring provides a high grease seal and high performance for today's high-powered sports bikes.. Combination of shot-peened high alloy steel pin & gold plate and solid bushing rollers provides excellent mechanical stress resistance..