| Specification | Detail |
| Outer Diameter | 109 mm (4 inches) - New Model |
| Width | 54 mm |
| Number of Rollers | 8 |
| Hub Surface Treatment | Anodized / Hard Anodized |
| Connection Type | Keyway |
| Roller Material | Polyurethane (PU) |
| Core Material | Aviation-grade Aluminum |
| Bearing Type | Oilless Bushing / Plain Bearing |
| Net Weight | 3.1 kg |
| Load Capacity (Per Wheel) | 100 kg |
| Recommended Load (4 Wheels) | 350 kg |
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