Designed and built with durability and quality. All of this at a price point you cannot refuse. Now is the time to join the movement and add Fire Power to your ride. Designed and manufactured in Japan. Hardened and shot-peened components. Solid rollers, pre-stretched. All chains supplied with clip style master links. 420 / 428 Pitch Specifications: Tensile strength: 4,900 pounds. Maximum displacement: 125cc street / 80cc off-road. 520 Pitch Specifications: Tensile strength: 8,000 pounds. Maximum displacement: 350cc street / 250cc off-road. 530 Pitch Specifications: Tensile strength: 8,000 pounds. Maximum displacement: 400cc street. Note: Non-sealed chains require more regular maintenance than sealed (O-ring, X-ring) versions and are mainly recommended for off-road use.