D.I.D

D.I.D – A Global Leader in Motorcycle Chains

D.I.D (Daido Kogyo Co., Ltd.) is recognized as one of the world’s leading manufacturers of motorcycle chains and cam drive systems. Japanese precision, decades of development, and extensive racing experience make D.I.D the choice of professional teams and demanding riders worldwide.

OE Supplier for Leading Motorcycle Manufacturers

D.I.D is an original equipment (OE) supplier for many Japanese and European motorcycle brands. This means their chains are factory-installed on thousands of new motorcycles. The company meets the highest standards of quality, strength, and durability.

Technology from MotoGP and World Championships

D.I.D has long-term partnerships with racing teams in MotoGP, World Superbike, MXGP, and other series. Experience gained under extreme race conditions directly influences their production models:

• Higher tensile strength
• Improved resistance to chain stretch
• Extended service life
• Reduced friction thanks to X-Ring® technology

X-Ring® Technology

The special X-Ring® sealing rings feature four contact points that:

• Reduce friction compared to traditional O-rings
• Retain lubrication more effectively within the links
• Significantly extend chain lifespan

The result is improved performance, smoother operation, and reduced wear across the entire chain kit.

Product Ranges for Road, Adventure, and Racing

D.I.D offers chains designed for:

• Everyday road use
• Sport and hypersport motorcycles
• Adventure and touring enduro bikes
• Motocross and off-road riding
• Professional racing applications

Model series such as the 520 ZVM-X represent top-tier solutions for high-performance motorcycles with substantial torque output.

Why Choose D.I.D?

• Japanese quality and precision manufacturing
• OE standard for global manufacturers
• Proven in motorsport
• Long service life and high durability
• Excellent balance of performance and reliability

If you’re looking for a chain kit that can handle the power of modern motorcycles and outlast standard alternatives, D.I.D delivers uncompromising performance and reliability.