Since the RK Takasago Company first began production of motorcycle chains as far back as 1953 the name RK has been synonymous with quality. RK Takasago chain has also been researching and developing high-performance sealed-ring chains for use on modern motorcycles for over thirty years.

RK is the trusted supplier for OEM manufacturers such as Honda, Yamaha, Suzuki & Kawasaki. RK chains are used by professional race teams around the world including MotoGP Repsol Honda, WSBK Kawasaki Racing Team, AMA SX/MX Monster Energy Pro Circuit Kawasaki, FMF KTM Factory Racing Teams, Rockstar Energy Husqvarna Factory Racing Teams & many more.

All RK Sealed chains feature heat treated hi-carbon alloy steel components, giving unrivalled wear life. Seamless rollers that allow the chain to run freely between the teeth of the sprocket and reduce chain vibration. All RK seals are made from an advanced Nitrile Butadiene composite for maximum performance and wear life.

The Reinforced Heavy Duty Chain for Motocross. RK 520KXZ Series is designed for motocross racing, lighter weight but stronger chain compared to Heavy Duty Chains. RK 520KXZ features special alloy pins with RK Special HCR Treatment (High Tech Chromium Carbide Layered Pins) for better wear resistance. Excellent quality and cost performance for motocross riders. Tested and developed with top MXGP & MX2 teams!

• Tensile Strength: 35.0 Kn
• Weight/100 links: 1.46kg
• Max CC Rating: 450cc Dirt
• Master Link Type: CLIP
• Chain Length: 112