Screw set for securing the sprocket on all pedal-assist bikes where the sprocket is bolted on.
Thanks to their milled 8 mm wrench size, the 3D nuts provide optimal force distribution across the wheel hub.
In addition, the sprocket remains rock-solid on high-performance motors due to the long thread.
Set includes:
- 4 chrome steel screws (M6 x 18)
- 4 3D nuts (M6, 8 & 10 mm wrench sizes, galvanized steel)
- 4 chrome steel spring washers
A sophisticated product meeting the highest standards of the swiing® quality brand.
| Number of components | 12 pcs |
| Manufacturer | swiing® ingenious parts |
| Material | Chrome steel (colloquially known as stainless steel), Steel |
| Surface | raw, galvanized (blue) |
| Color | gray, silver |
| Thread type | M6x1 (standard thread) |
| Drive | External hexagon |
| Screw head | Hexagon |
| Nominal diameter (thread) | 6 mm |
| Shank | No |
| Thread length | 18 mm |
| Width across flats | 10 mm, 8 mm |
| Puch | Z50 (X30 Sport) Z50 (X30 Velux) |
| Sachs | |
| Zündapp Belmondo | |
| Cilo | 502 / 502t |
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