The D.I.D 520ERV7 X-Ring Racing Chain represents the pinnacle of D.I.D's racing chain technology and is engineered for the highest levels of motorcycle competition. Designed for both on-road and off-road racing applications, the ERV7 combines lightweight construction, exceptional strength, and race-proven durability to meet the demands of professional riders and factory racing teams worldwide.

Featuring D.I.D's patented X-Ring seal technology, the 520ERV7 delivers outstanding efficiency by reducing friction while maintaining superior sealing performance. This advanced design helps maximize power transfer, extend chain life, and ensure consistent performance under the most demanding racing conditions.

The ERV7 is trusted by some of the world's most prestigious factory-supported teams, including Fresh N Lean Progressive Yamaha Racing, Warhorse Ducati, Honda HRC Rally, Team Honda HRC SX/MX, and SLR Honda. Its proven performance has made it a preferred choice across Superbike racing, motocross, rally, desert racing, WORCS, NGPC, and SCORE International competition.

Key Features

• Top-of-the-line racing chain for professional competition
• Suitable for both road racing and off-road racing disciplines
• Patented D.I.D X-Ring seal technology
• Lightweight design for maximum performance
• Excellent power transfer and throttle response
• Race-proven durability and wear resistance
• Chosen by leading factory racing teams worldwide
• Ideal for Superbike, motocross, rally, desert, and endurance racing

Specifications

Whether competing at the highest level of Superbike racing or tackling the toughest off-road terrain, the D.I.D 520ERV7 delivers the performance, reliability, and championship-winning pedigree demanded by professional racers around the globe.