| 301 / | HD | LAND VEHICLES: WHEELS AND AXLES |
| 5.1 | DF | WHEEL {21} |
| 55 | ![]() | .~ Tension wheel; e.g., spoke {4} |
| 56 | DF | .~.~> Having spoke attached tangentially to hub |
| 57 | DF | .~.~> Having hairpin type spokes |
| 58 | DF | .~.~> Rim (or felly) and spoke connection |
| 59 | DF | .~.~> Hub and spoke connection {2} |