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
• Number Of Strands Across
  1
• Material
  Steel
• Number Of Hubs
  0
• Hardened Teeth
  Non-Hardened Teeth
• Pitch Type
  Single
• Hub Type
  A
• Outside Diameter
  3.6200 in
• Caliper Diameter
  3.0330 in
• Pitch Diameter
  3.355 in
• Maximum Bore Diameter
  2.78 in
• Tooth Width
  0.284 in
• Manufacturer Upc Number
  97039309150
• UPC_NO
  097039309150
• Weight
  0.64 lbs