Boasting a ceramic and diamond matrix coating construction using actual diamonds, Quantum provides the Diamond Series skateboard bearings to handle the volatile extremes of pushing skate skills to the next level. With a weatherproof build and a high
Boasting a ceramic and diamond matrix coating construction using actual diamonds, Quantum provides the Diamond Series skateboard bearings to handle the volatile extremes of pushing skate skills to the next level. With a weatherproof build and a high
