RK-Japan, with over 60 years of experience in Motorcycle chains production is one of the leader in motorcycle chain’s market. The constant quality year after year of the products, the innovation and high performance products has enabled RK to work with world-renowned partners such as Honda, Suzuki, Yamaha, Kawasaki, and Triumph for Original Equipment. But RK is also active in the races field with champions in Moto GP, Endurance and Motocross.