Galvanized steel cover plate, including screws and nuts, for securing the sprocket on your Hercules Prima M, 2, 3, 4, 5, and Optima moped.
You can find compatible sprockets and a complete chain kit in the accessories section.
Original Hercules part numbers:
0820 211 000 (retaining plate)
0815 233 000 (screws)
0816 218 000 (nuts)
| Material | Steel |
| Surface | galvanized (blue) |
| Number of lobes | 4 pcs |
| Nominal diameter (thread) | 7 mm |
| Screw head | Hexagon |
| Ø inside | 50 mm |
| Ø outside | 60 mm |
| Thickness | 0.8 mm |
| Ø bolt circle | 66 mm |
| Width across flats | 11 mm |
| Thread size | M7 |
| Hercules OEM number | 0820 211 000, 0816 218 000, 0815 233 000 |
| Hercules | Great - 2 , 3 , 4 , 5 , Optima |
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