DID 520 ERT2 Exclusive Racing Chain

Item # : 51409

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  • Manufacturer: DID



Includes clip type connecting link

DID 520 ERT2 Exclusive Racing Chain


  • High-performance, lightweight, low-friction chains designed exclusively for racing
  • Pins for Exclusive Race chains are put through a special patented heat-treatment process that produces a surface 1.5 times harder than conventional carbon heat treating
  • Provides the highest wear resistance, tensile strength and impact resistance available
  • ER Chain are designed for sprint road racing
  • ERT & ERM Chain are designed for motocross
  • MX Chain was developed for motocross with Team Johnson Suzuki Bieffe in Europe. Features 11% higher tensile strength, 20% higher fatigue strength, 13% stronger anti-tight joint performance, 17% higher roller impact strength and 20% longer wear resistance
  • ERV & ERV2 Chains are designed for endurance road racing with special low-friction X-Rings


  • Pin Length: 17.6 mm
  • Roller Diameter: 10.16 mm
  • Plate Inner: 2 mm
  • Thickness Outer: 2 mm
  • Weight (100 Links): 1.36 kg
  • Tensile Strength: 8100 lbs.
  • Wear Resistance (Index=Std. Chain=100): 430
  • Rivet Connecting Link: Option
  • Clip Connecting Link: Included (RJ)
  • Engine C.C. raing: 450 C.C. (Supercross & Motocross)