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- # 12 or 04B
- Single Strand
- 23 Teeth
- B Style
- Steel Sprocket
| No. of Strands Across | 1 |
| Pitch Diameter | 44.064 mm |
| Material | Steel |
| Chain No. | 04B, 12 |
| Width Across Teeth | 2.5 mm |
| Bore Range [Max] | N/A |
| Chain Pitch | 6 mm |
| Inch/Metric | Metric |
| Length Through Bore | 13 mm |
| Outside Dia. | 46.5 mm |
| Hub Projection | 10.5 mm |
| Sprocket Style | B |
| Bore Range [Min] | 8 mm |
| Hub Dia. | 25 mm |
| Stock Bore Size | 8 mm |
| No. of Teeth | 23 |
| Hardened Teeth | Without Hardened Teeth |
| Bore Type | Minimum Plain Bore |
| Weight | 0.13 LB |
