High-polish chrome steel races, heat-treated alloy balls, and friction-resistant Delrin retainers help the KwiK Zenith bearings take bearing innovation to new heights. Built and assembled with these premium parts in a clean room free of environmental pollutants, KwiK Zenith bearings offer a continuously smooth and fast roll while maintaining durability under the most extreme loads of roller skating. KwiK Zenith bearings are pre-spun using a high-performance oil, making them easy to use right out of the box with no break-in period required.

Features:

• Constructed of chrome steel races
• Heat-treated alloy balls
• Friction-resistant Delrin retainers that are pre-spun with high performance oil
• Size: 8 mm
• Comes as set of 16 bearings in its own carrying case