| # of Teeth | 21 |
| Bore Geometry | Round |
| Bore Size (in) | 1 in |
| Bore Type | Drive |
| Chain Pitch (in) | 1.5 in |
| Chain Pitch (mm) | 38.1 mm |
| Construction | Machined - Split |
| Country of Origin | Mexico |
| Flanged | No |
| HTC | 8483.90.1050 |
| Measurement System | Imperial |
| Molded or Machined | Machined |
| Packaged Height | 2.09 Inches |
| Packaged Length | 5.10 Inches |
| Packaged Width | 5.10 Inches |
| Pitch Diameter (in) | 5.11 in |
| Pitch Diameter (mm) | 129.8 mm |
| Product Group | Chain |
| Product Line | Chain and Belt Sprockets |
| Product Type | Drive Sprocket |
| S-Dim (in) | 2.7 in |
| S-Dim (mm) | 68.6 mm |
| Set Screw? | Set Screw |
| Split or Solid | Split |
| Sprocket Series | 820 |
| UPC | 726166590949 |
| Used with which series | 812 - 815 (VG) - 820 - 828 - 831(LBP) - 881 (M-MO) |
| Weight | 0.90 LB |