Quantum Diamond Series Ceramic Hybrid Skateboard Bearings

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