• 8 x Swiss precision bearings
• 8 x Replacement Rubber Shields
• 4 x Bearing spacers
• 4 x Axle nuts

Tech Features:

• High precision Grade 5 chrome balls for maximum speed
• Precision polished steel bearing races for less friction and more speed
• Synthetic oil reduces friction and protects against corrosion
• Non-contact removable rubber shields to minimize resistance