- 20 Tooth
- 1.631" Chain Pitch
- Cast Iron no Sprocket
| Hardened Teeth | Without Hardened Teeth |
| Chain No. | 55, C55 |
| Bore Dia. [Max] | 2.8800 in |
| Chain Pitch | 1.631 in |
| Hub Dia. | 4 1/2 in |
| No. of Teeth | 20 |
| Chain Strands | Single |
| Pitch Diameter | 10.43 in |
| Material | Cast Iron |
| Width Across Teeth | 0.687 in |
| Hub Length Thru | 3 in |
| Weight | 22.0 LB |
| EAN or UPC | 698210683764 |

