- 608zz ball bearings with double metal shielding for maximum protection - Made of carbon steel, ensuring high durability and resistance to deformation - Shields on both sides prevent dirt from entering and retain lubricant - Limit speed of 34,000 rpm, optimal for fast skating activities - Compatible with skateboards, inline skates, and scooters - Easy to install and maintain, ideal for multiple replacements - Improve the performance and lifespan of skating equipment - Reliable option for those seeking precision, efficiency, and durability in bearings