| Quality | chrome |
| Characteristics | • ABEC 1 • diameter outside 22 mm • diameter inside 8 mm • width 7 mm |
| Contents packing | 16 ball bearings, 16 polyamide fasteners, 8 axle bushes |
| Diameter | 2.20 cm |
| Size | 18, 24 |
| Colour | Silver (ZIL) |
| N.B. | for corresponding wheel width see size |