this is it

Years in development

Promotes neutral alignment

Don't let your complete fall victim to poor quality bearings

odourless and gives you excellent foot grip for enhanced control and stability

Quantum Bearing Science Metallic Series 4T this is itA twist on the classic. The Metallic series bearings are made with high purity, high quality carbon steel for the inner outer rings and roller balls. Then they run the raceways and roller balls through a proprietary diamond finishing process. From there Quantum includes high tensile strength, hydrophobic retainers these bearings were designed with stability, flow, and mechanical strength in mind. Each bearing is coated using their GraphFlo(TM) process