
Chrome-plated steel steering head nut with M27.5 x 1 mm thread for the telescopic fork on your Piaggio Si Montecarlo moped / moped.
Note: The headset nut / steering head nut is often incorrectly described as having an M28x1 mm thread. However, it is an MF27.5x1 mm thread.
| Manufacturer | swiing® revival parts |
| Material | Steel |
| Surface | chrome-plated |
| Thread type | MF27.5x1 (fine pitch thread) |
| Ø inside | 26.7 mm |
| Ø outside | 32 mm |
| Height | 19 mm |
| Drive | External hexagon |
| Nominal diameter (thread) | 27.5 mm |
| Thread depth | 11 mm |
| Width across flats | 36 mm |
| Alternative version of the Piaggio OEM number | 184431 |
| Piaggio | Si |
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