Specifications

• Chain Number & Pitch
  40 / 1/2 in
• Product Type
  Stock Bore Sprockets
• Hub Style
  B
• Number Of Teeth
  21
• Bore Type
  Rough Stock Bore
• Length Through Bore
  1.0000 in
• Hub Diameter
  2.7500 in
• Hub Type
  B
• Outside Diameter
  3.6200 in
• Caliper Diameter
  3.0330 in
• Pitch Diameter
  3.3550 in
• Maximum Bore Diameter
  1.8750 in
• Tooth Width
  0.2840 in
• Manufacturer Upc Number
  97039314802
• UPC_NO
  097039390820
• Weight
  1.68 lbs