The Abec 3 Bearings by Roll-Line are designed for intermediate level skaters who are doing single-rotation jumps. The Abec 3 provides a good level of roll and is suitable for all plates with Ø 7mm axles. The Abec 3 are a single-sided bearing and open on one side to promote cleaning. The Abec 3 Bearings are the optimal pairing for the Magnum wheels.