The D.I.D 520 ERT3 is a high-performance, non-sealed gold racing chain built for motocross and supercross. It features an average tensile strength of 8,100 to 8,300 lbs, a pin diameter 3% larger than the older ERT2, and SDH chrome-carbide pin treatment for heavy shock absorption.
Key Specifications and Features
Chain Type: Non-sealed (no O-ring or X-ring), which minimizes power loss and friction.
Application: Rated for dirt bikes from 125cc up to 450cc (MX/SX racing).
Weight: Lightweight design at about 1.62kg
Strength: ~8,300 lbs average tensile strength with 25% better anti-shock performance than the ERT2.Master Link: Comes with a clip-style (RJ) connecting link.
