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- 25 Tooth Sprocket for #821 Chain
- 5.12" Outside Diameter
- 1" Bore
| Chain No. | 821 |
| Width Across Teeth | 3.125 in |
| Sprocket Style | C |
| Effective No. of Teeth | 10 1/2 |
| Outside Dia. | 5.12 in |
| Bore Style | Round Bore |
| Material | Reinforced Nylon |
| No. of Teeth | 25 |
| Length Through Bore | 1 in |
| Pitch Diameter | 5.089 in |
| Finished Bore | 1 in |
| Keyway | 1/4 x 1/8 |
| Weight | 1.6 LB |
| EAN or UPC | 698210857189 |
