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- # 42 or 08B
- Single Strand
- 25 Teeth
- B Style
- Steel Sprocket
| Hardened Teeth | Without Hardened Teeth |
| Length Through Bore | 28 mm |
| Outside Dia. | 107 mm |
| Pitch Diameter | 101.33 mm |
| Sprocket Style | B |
| Bore Range [Max] | N/A |
| Width Across Teeth | 7 mm |
| Inch/Metric | Metric |
| Bore Type | Minimum Plain Bore |
| No. of Strands Across | 1 |
| Hub Projection | 21 mm |
| Hub Dia. | 70 mm |
| Material | Steel |
| Chain No. | 08B, 42 |
| Bore Range [Min] | 14 mm |
| No. of Teeth | 25 |
| Chain Pitch | 12.7 mm |
| Stock Bore Size | 14 mm |
| Weight | 1.7 LB |
