Motolis 520 O-Ring Chain Motolis chains stand out for their superior quality, simple installation, and exceptional value. Made from heat-treated high-carbon steel, they offer unparalleled strength and durability. Featuring O-Ring seals made from a unique nitrile material, these chains are designed for prolonged life and enhanced performance. A proprietary heat treatment process fortifies the chain plates, making them perfect for off-road biking. With rigorous quality control and careful attention to detail, every chain is crafted to provide riders with the utmost confidence on their ride. Features: Constructed from heat treated high-carbon steel with O-Ring seals for strength & durability Proprietary heat treatment process strengthens the chain plates, allowing the chain to be used for off-road bikes Seals are constructed of a proprietary nitrile material for extended life and performance Chains are pre-stretched and stressed to ensure maximum performance and minimal maintenance O-Ring design has an exceptional wear life when compared to standard non-sealed chains Recommended for street and off-road applications up to 400cc Tensile Strength: 6900 ft/lbs Maximum Horsepower: 60 Economical chain with great strength and performance Lubricated with a proprietary grease for performance and rust protection Comes with a clip-type master link Only use a Motolis 520 O-Ring Master Link with this chain