- # 42 or 08B
- Single Strand
- 19 Teeth
- B Style
- Steel Sprocket
| No. of Teeth | 19 |
| Bore Range [Max] | N/A |
| Chain Pitch | 12.7 mm |
| Hub Dia. | 60 mm |
| Bore Range [Min] | 12 mm |
| Inch/Metric | Metric |
| Chain No. | 08B, 42 |
| No. of Strands Across | 1 |
| Outside Dia. | 82.5 mm |
| Stock Bore Size | 12 mm |
| Width Across Teeth | 7 mm |
| Hub Projection | 21 mm |
| Length Through Bore | 28 mm |
| Sprocket Style | B |
| Hardened Teeth | Without Hardened Teeth |
| Pitch Diameter | 77.16 mm |
| Material | Steel |
| Bore Type | Minimum Plain Bore |
| Weight | 1.08 LB |

