Regina Chain is one of the oldest Italian chain manufacturers in Europe, founded in 1919. The company has been manufacturing motorcycle chains since its establishment, and has the largest share of the genuine installation market for European vehicle manufacturers. It is also famous as the first manufacturer in the world to release gold chains for motorcycles. We actively support races in all categories and have won over 300 titles. The company feeds back its technology and experience to its products. The joint is caulked to allow the use of common chain caulking tools. Z-ring sealed chain for the highest grade high power street bikes. Regina's patented Z-Ring has high grease sealing performance and can be used on recent high power sport bikes. The combination of shot-peened high-alloy steel pins & gold plates and solid bushing rollers provides excellent mechanical stress resistance.