At DMG Motorsports, we present the EK Chain SR Non-Sealed 420-120L (420SR-120) — a heavy-duty, economical drive chain engineered for riders who demand dependable performance from their lower horsepower Dirt, ATV, and Street machines. Built as the heavy-duty version of EK's popular Sport Chain, this 120-link 420 pitch chain delivers the strength and longevity you need without the added cost of a sealed O-ring design. Whether you're running a pit bike, small-displacement ATV, or entry-level street machine, this chain is a smart, reliable upgrade for your drivetrain.

Features:

• Designed specifically for lower horsepower Dirt, ATV, and Street applications
• Heavy Duty version of EK's Sport Chain for enhanced durability
• Solid bushings and solid rollers engineered for long service life
• Quad staked riveting for superior joint strength and reliability
• Large 5.08mm pin and 2mm plate construction delivering an impressive 8,000 lb. tensile strength rating (to 520 size)
• Non-sealed design offers a lightweight, economical alternative to O-ring chains
• 120-link chain length, ready to be sized to your application
• Backed by EK Chain, a trusted name in powersports drive chain manufacturing