Quantum Bearing Science - Skateshop Day Bearings

 Skateshop Day Bearing Model Includes:

• Chrome steel inner/outer rings with precision tolerancing throughout
• Black oxide coating
• 7 x chrome steel rolling elements
• Diamond polished raceways and rolling elements
• High-strength thermoplastic retainer
• Frictionless, press-fit shields
• QUANTUM's proprietary engineered lubrication
• applied
• Bearing kit includes additional set of bearing shields + speed washers