Security plate for the gear on the crankshaft of Zündapp Belmondo mopeds, Zündapp Bergsteiger M25/M50 mopeds, as well as Alpa Spezial 3000 and Alpa Black River small motorcycles, which have a Zündapp type 247 engine installed.
The two tabs are bent open and thus secure the nut.
Ø inside: 12.25 mm
A quality product manufactured in Portugal.
| Manufacturer | Made in Portugal | 
| Thread size | M12 | 
| Ø inside | 12.25 mm | 
| Number of lobes | 3 pcs | 
| Zündapp Belmondo | |
| Zündapp | 247 Motor | 
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