| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | B & B Manufacturing | BBM 40A25 | 40A25, Roller Chain Sprocket |
| | B & B Manufacturing | BBM 40B25 | 40B25, Roller Chain Sprocket |
| | B & B Manufacturing | BBM 41B25 | 41B25, Roller Chain Sprocket |
| Manufacturer | B & B Manufacturing |
| Pitch Diameter | 3.989 in |
