d.i.d. 520ERT3 racing chain

Chain of Choice
for AMA Teams

The non-sealed 520ERT3 is our #1 selling motocross chain and is used by race teams such as Monster Energy Kawasaki, Monster Energy/Yamaha Factory, Troy Lee Designs/Red Bull KTM Factory, and GEICO Honda.

The Cutting

With a great tensile strength of 8,300 lbs and weighing in at 2.99 lbs/100 links, you can see why this is the no. 1 trusted motocross chain!

Proven By
Top AMA Teams

Winning chain of the 2020 Monster Energy AMA Supercross Championship with Eli Tomac and the Monster Energy Kawasaki Factory team, as well as the 250 East Supercross Championship with Chase Sexton and GEICO Honda

Available sizes

  • 520ERT3   450 cc max


  • Category   Motocross
  • Pin Length (inches)   0.693
  • Pin Dia (inches)   0.21
  • Plate Thickness In / Out   2 / 2
  • Weight   2.99
  • Tensitle Strength   8300
  • Seal   N/A
  • Chain Life Index   410
  • Master Link ZJ   Option
  • Master Link FJ   N/A
  • Master Link RJ   Included
  • Max CC   450