Specifications

• Chain Number & Pitch
  25 / 1/4 in
• Product Type
  Stock Bore Sprockets
• Hub Style
  A
• Number Of Teeth
  21
• Bore Type
  Rough Stock Bore
• Bore Diameter
  0.3750 in
• Hub Type
  A
• Outside Diameter
  1.8090 in
• Caliper Diameter
  1.5430 in
• Pitch Diameter
  1.6780 in
• Tooth Width
  0.1100 in
• Chain Roller Diameter
  0.1300 in
• Manufacturer Upc Number
  97039308115
• UPC_NO
  097039308115
• Weight
  0.04 lbs