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About D.I.D. 520 ERS3 ER Series Exclusive Racing Chains

D.I.D. 520 ERS3 ER Series Exclusive Racing Chains

  • Designed for trial competition up to 250 cc and street racing up to 300 cc. Superior wear resistance with SDH pin thats 15% greater than former ERS2.
  • Average tensile strength: 5,800 lbs.
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