H.905 Brake pads for various front and rear wheels on Sachs and Hercules mopeds with automatic engines.
Compatible with, among others, front wheels on Hercules Prima M, 2, 3, 4, 5, and Optima models.
The workmanship is good, and the brake plate performs its function flawlessly. The only thing that proves beneficial is applying a little copper grease to the brake cam and using a slightly thicker washer to reduce play.
You can find compatible parts such as brake pads, the aforementioned grease, and a matching adjusting screw in the accessories section.
| Material | Steel |
| Surface | galvanized (blue) |
| Ø drum | 90 mm |
| Ø bore | 12.2 mm |
| Ø axle | 11 mm |
| Ø outside | 107 mm |
| Wide cam holder | 10 mm |
| Brake lever length (lever length) | 65 mm |
| Cranking (offset) | 15 mm |
| Sachs | |
| Hercules | Great - 2 , 3 , 4 , 5 , Optima |
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