Specifications

• Chain Number & Pitch
  25 / 1/4 in
• Product Type
  Stock Bore Sprockets
• Hub Style
  B
• Number Of Teeth
  21
• Bore Type
  Rough Stock Bore
• Number Of Strands Across
  1
• Material
  Steel
• Number Of Hubs
  1
• Length Through Bore
  0.6250 in
• Hardened Teeth
  Non-Hardened Teeth
• Pitch Type
  Single
• Hub Diameter
  1-3/8 in
• Hub Type
  B
• Hub Projection
  33/64 in
• Outside Diameter
  1.8100 in
• Pitch Diameter
  1.678 in
• Maximum Bore Diameter
  7/8 in
• Tooth Width
  0.11 in
• UPC_NO
  662289208302
• Weight
  0.30 lbs