- 800, 802, 805 or 821 Chain
- 21 Teeth
- Cast Iron Material
| Sprocket Style | A |
| Outside Dia. | 5.12 in |
| Material | Cast Iron |
| Bore Range [Min] | N/A |
| Width Across Teeth | 3.12 in |
| Chain No. | 821, 800, 802, 805 |
| No. of Teeth | 21 |
| Bore Style | Minimum Bore |
| Pitch Diameter | 5.09 in |
| Bore Range [Max] | N/A |
| Weight | 8.0 LB |

