Half-discs made of plastic, suitable for 16/17 inch rims, not suitable for Piaggio mopeds.

Dimensions:
Outer diameter: 41.3cm or 16.26 inches
Attachment with 10 holes
Disc 1. Inner diameter: 95mm
Disc 2. Inner diameter: 95mm
Disc 3. Inner diameter: 120mm
Disc 4. Inner diameter: 120mm