DID Standard 420D Chain Natural, JT Front & Rear Sprocket Kit for Street YAMAHA YSR50 1987-1992 O.E.M. Gearing 12/44

Standard 420D Chain

  • Color: Natural
  • Type: 420
  • Links: 100
  • Suitable for use up to 80cc
  • D.I.D chain is used by the factory race teams and is the #1 chain manufacturer in the world.
  • Solid rollers.
  • Shot-peened parts.
  • High cylindrical and roundness accuracy.
  • Exacting tolerances provide low friction.
  • Pre-stretched.
  • Average tensile strength of 3,970 lbs.

    • JT Steel Front Sprocket

  • Teeth: 12T
  • Using the latest generation of computer design and control metal cutting equipment for maximum durability.
  • Made from the finest C49 high carbon steel or 7075 T6 aluminum.
  • Front sprockets are made from chromoly SCM420 steel alloy.
  • All sprockets are heat-treated and hand-finished to meet or exceed the highest possible quality standards.

    • JT Steel Rear Sprocket

  • Teeth: 44T
  • Using the latest generation of computer design and control metal cutting equipment for maximum durability.
  • Made from the finest C49 high carbon steel or 7075 T6 aluminum.
  • Front sprockets are made from chromoly SCM420 steel alloy.
  • All sprockets are heat-treated and hand-finished to meet or exceed the highest possible quality standards.
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