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. Quad stake riveted pins, pre-stretched. Long lasting X-ring seals. All chains supplied with clip style master links, rivet style master links sold separately. 520 Pitch Specifications: Tensile strength: 8,500 pounds. Maximum displacement: 750cc street / 650cc off-road. 525 Pitch Specifications: Tensile strength: 9,000 pounds. Maximum displacement: 1000cc street / 750cc off-road. 530 Pitch Specifications: Tensile strength: 9,000 pounds. Maximum displacement: 1000cc street / 750cc off-road.