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Bike Sprocket

Bike Sprocket

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Description

Be sure to measure your chain or current sprocket before ordering.  420 chain has 1/2″ pitch and 5/16″ roller diameter.  Most Chinese sprockets have the chain size and teeth count stamped into the metal.

  • Outside Diameter : 85mm / 3.3″;Height : 14mm / 0.55″
  • Tooth Distance : 9mm/ 0.35”;Tooth Quantity : 20T
  • Material : Metal;Net Weight : 243g
  • Package : 1 x Bike Drive Sprocket