Quantum Bearing Science Diamond Series Skateboard Bearings on Sale

Extreme durability and performance for those that push boundaries.

Diamond series bearings feature high precision chrome steel inner outer rings with a weatherproof Diamond Matrix coating applied, diamond polished raceways and rolling elements, zirconium oxide (ZrO2) rolling elements, high strength thermoplastic cage, and our proprietary Graphflo engineered lubrication process.

Each Diamond Series Bearing Kit Includes:

• 8 x diamond series bearings

• 16 x frictionless shields (8 installed, 8 spares)

• 8 x speed washers

• 3 x stickers

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  Bearing Design: ceramic hybrid + diamond matrix coating (DMx)
  Precision Level: *****
  Use Case: high impact street and park skating