At DMG Motorsports, we present the EK Chain SR Non-Sealed 520-120L (520SR-120) — a heavy-duty, budget-friendly roller chain purpose-built for lower horsepower Dirt, ATV, and Street applications. As the heavy-duty version of EK's Sport Chain lineup, this 520 pitch chain combines solid engineering with tried-and-true durability, giving riders and racers a dependable drivetrain component without the premium price tag. Whether you're maintaining a pit bike, upgrading an ATV, or keeping a street bike running strong, this chain delivers the strength and longevity you need to stay on the move.

Features:

• Designed for lower horsepower Dirt, ATV, and Street applications
• Heavy-duty version of EK's Sport Chain series
• Solid bushings and solid rollers engineered for long service life
• Quad staked riveting for added joint strength and reliability
• Large 5.08mm pin and 2mm plate construction delivering an impressive 8000 lb. tensile strength for the 520 size
• Special steel alloy construction with pre-stretched, shot-peened parts to minimize break-in and stretch over time
• Includes a convenient clip-type master link for easy installation and maintenance
• 120-link length, natural finish, non-sealed design for lightweight, economical performance