Complete steering head bearing set for your Zündapp Bergsteiger M25 moped / moped.
The steering head bearing consists of the open end nut, a washer and the normal steering set.
Ø upper bearing shells inside: 28.9 mm
Ø upper bearing shells outside: 31 mm
Ø lower bearing shells inside: 27.5 mm
Ø lower outer bearing shells: 31 mm
Ø lower inner bearing race: 27.0 mm
As the dimensions may differ from the original steering bearing, we recommend not mixing the parts.
You can find more parts for your Zündapp in the accessories section.
Original Zündapp spare part number: 423-13.701
Details
| Material | Steel |
| Surface | galvanized (blue) |
| Bearing type | Ball ring |
| Thread type | MF25x1 (fine pitch thread) |
| Ø mounting frame | 31 mm |
| Color | silver |
| Height | 20.7 mm, 20.4 mm |
| Ø inside | 27.4 mm, 28.9 mm |
| Ø outside | 44.6 mm, 45 mm |
| Ø ball [inch] / [mm] | 3/16" (4.78 mm), 5/32" (4.00 mm) |
| Zündapp OEM number | 423-13.701 |
Suitable for the following models
| Zündapp | 434 Chassis (mountaineer) |
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Collection only possible with online purchase and appointment.
