- 820 Chain Number
- 21 Teeths
- Non-Split Sprocket Style
- Round Bore Style
| No. of Teeth | 21 |
| Bore Style | Round Bore |
| Chain No. | 820 |
| Set Screw | 1 |
| Finished Bore | 1 3/16 in |
| Material | Cast Iron |
| Sprocket Style | Non-Split |
| Keyway | 1 |
| Body Style | Arm |
| Bore Type | Shaft-Ready |
| Pitch Diameter | 129.26 mm |
| Weight | 4.63 LB |
| EAN or UPC | 698210821319 |

