Acceptable level of air bubbles
Our high-performance urethane wheels may contain small air bubbles, which are a natural result of the manufacturing process. These bubbles are harmless and won't affect your wheels' performance. See our criteria below for acceptable air bubble size and quantity.
- Skate surface - A maximum of 3 holes - not grouped together - 3mm or less in diameter
- Wheel Face and Lip - A maximum of 2 holes - not grouped together - 2mm or less in diameter
- Back of the wheel - A maximum of 2 holes - not grouped together - 4mm or less in diameter