
Manufacturing Xirng Long Service Life Less Friction 520 Motorcycle China for Street and Adventure Bikes. Extended Service Life: Advanced heat treatment extends life by 1.5x compared to standard chains. High Tensile Strength: Premium alloy steel construction provides 38 kN tensile strength. Low Friction Design: X-Ring seal reduces friction, wear, and ensures quiet operation. Lifetime Warranty: Free replacement for products and lifelong technical support. OEM/ODM Support: Customization available with a minimum order of 50 pieces. Versatile Compatibility: Suitable for street bikes, racing, and off-road vehicles up to 800cc. ISO Certified Quality: Manufactured under ISO9001:2001 standards for reliability. Free Sample Offer: Free samples are available for quality verification.