DID ERT3 520x114 Gold Chain with JTF1901.14SC & JTA897.50BLK Sprocket Kit

520ERT3 Non-Sealed Motocross Chain – Lightweight Pro Race Performance

The 520ERT3 is our #1 selling non-sealed motocross chain, engineered for elite-level racing performance. Designed with an exceptional strength-to-weight ratio, this chain delivers maximum power transfer, reduced rotational mass, and outstanding durability under extreme track conditions.

• Chain Size: 520ERT3
• Type: Non-Sealed Lightweight Racing Chain
• Excellent strength-to-weight ratio
• Optimized for motocross and competitive racing
• Reduced friction for improved throttle response
• High durability for demanding race environments
• Preferred choice for 250 class race bikes

Trusted and used by leading factory race teams including Monster Energy Kawasaki, Star Racing Yamaha, Honda HRC, Red Bull KTM, and Factory HEP Suzuki, the 520ERT3 has proven itself at the highest levels of competition.

Whether you're lining up at the gate or pushing limits on the track, the 520ERT3 delivers the lightweight performance and race-winning reliability serious riders demand.

Choose the 520ERT3 motocross chain for factory-level performance and championship-proven durability.

JT Front Sprocket – SCM420 Chromoly Steel Alloy

The JT Front Sprocket is precision engineered and manufactured using premium SCM420 chromoly steel alloy for superior strength, durability, and long-lasting performance. Designed to meet or exceed OEM standards, JT sprockets deliver smooth power transfer and excellent wear resistance for both street and off-road applications.

• Manufactured from high-quality SCM420 chromoly steel alloy
• Precision CNC machined for accurate fit and alignment
• Heat-treated for enhanced durability and wear resistance
• Optimized for maximum chain and sprocket lifespan
• Ideal for street, motocross, enduro, and ATV use
• OEM replacement quality and performance

Built to handle demanding riding conditions, the JT Front Sprocket ensures consistent performance, reduced drivetrain wear, and dependable reliability.

Choose JT Front Sprockets for precision fitment, superior strength, and proven performance.

JT RaceLite Aluminium Rear Sprocket – 7075-T6 Ergal Aviation Grade Alloy

The JT RaceLite Aluminium Rear Sprocket is precision CNC machined to JT's uncompromising standards using certified 7075-T6 Ergal aviation-grade aluminum alloy. Designed and engineered for extreme professional racing conditions, RaceLite sprockets deliver maximum strength and durability while maintaining minimal weight.

• Manufactured from certified 7075-T6 Ergal aviation grade aluminum
• Precision CNC machined for perfect fit and alignment
• Engineered for extreme pro-race environments
• Exceptional strength-to-weight ratio
• Lightweight design for improved acceleration and throttle response
• Optimized for motocross, supercross, enduro, and road racing
• High wear resistance for extended service life

Built for competitive riders who demand top-tier performance, the JT RaceLite rear sprocket enhances drivetrain efficiency while reducing rotational mass for sharper handling and quicker power delivery.

Upgrade to JT RaceLite Aluminium Rear Sprockets for race-proven durability, precision engineering, and lightweight performance.