Piston ring for the 45 mm cylinder kit from Athena, suitable for your moped / moped with Sachs 504, 505, 535 engine.
This piston ring can be used for Hercules Prima M, 2, 3, 4, 5 and Optima models, among others, provided you have fitted the racing cylinder mentioned above.
You can find the matching tuning cylinder and piston in the accessories section.
Quality product from the Italian manufacturer Athena.
| Nominal diameter | 45 mm | 
| Manufacturer | Athena | 
| Diameter | 45 mm | 
| Height | 1.5 mm | 
| Piston ring impact | Internal fuse (IS) | 
| Sachs | 504 (without pedal shaft) 505 (with pedal shaft) - 1A (AT), 2A (HG), 2B (HG) 508 - 1 A 535 | 
| Hercules | Great - 2, 3, 4, 5, Optima | 
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