Specifications

• Chain Number & Pitch
  50 / 5/8 in
• Product Type
  Stock Bore Sprockets
• Hub Style
  "B"
• Number Of Teeth
  21
• Bore Type
  Rough Stock Bore
• Bore Diameter
  0.7500 in
• Length Through Bore
  1.0000 in
• Hub Diameter
  3.0000 in
• Hub Type
  B
• Outside Diameter
  4.5200 in
• Caliper Diameter
  3.7820 in
• Pitch Diameter
  4.1940 in
• Maximum Bore Diameter
  2.0000 in
• Tooth Width
  0.3430 in
• Manufacturer Upc Number
  97039391056
• UPC_NO
  097039391056
• Weight
  2.70 lbs