Specifications

• Chain Number & Pitch
  40 / 1/2 in
• Product Type
  Stock Bore Sprockets
• Hub Style
  A
• Number Of Teeth
  21
• Bore Type
  Rough Stock Bore
• Length Through Bore
  1.4060 in
• Hub Type
  A
• Outside Diameter
  3.6200 in
• Maximum Bore Diameter
  1.7500 in
• Tooth Width
  0.2840 in
• Manufacturer Upc Number
  97039369758
• UPC_NO
  097039369758
• Weight
  2.90 lbs