Used for example to secure the front wheel bearing in the front brake drum of the Lambretta Series 1-3.
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Nils S. 10/28/2025
Mike W. 07/01/2025
Stephan K. 06/22/2025
Sea rings
DIN standard
DIN472
Seegerring diameter
32 mm
Diameter sea ring tensioned
33.7 mm
Diameter sea ring untensioned
34.4 mm
Seegering strength
1.2 mm
 
OEM numbers (for comparison purposes only)
Innocenti:
3TR344, 73250032
Piaggio:
6632
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