Experience smoother and faster rides with these high-performance miniature bearings, expertly crafted from premium steel races and zirconia ceramic balls. Designed to deliver low noise operation and extended service life, these 608 bearings are the perfect upgrade for inline roller skates, enhancing speed and efficiency. Key Features: · Premium Steel and Ceramic Construction: Combines durable steel races with corrosion-resistant zirconia ceramic balls for superior strength and longevity. · Low Noise & Long Service Life: The advanced materials and precision manufacturing reduce friction and noise, ensuring a quiet and reliable operation over extended use. · Corrosion Resistant & Low Maintenance: Ceramic balls resist corrosion and require minimal lubrication, reducing upkeep and maintaining consistent performance. · Precision Dimensions: Features an 8mm inner diameter, 22mm outer diameter, and 7mm thickness, making these bearings compatible with standard inline roller skate wheels. · Enhanced Speed & Efficiency: Lighter ceramic balls allow the bearings to spin faster using less energy, improving overall speed and skating efficiency. · Complete Set: Includes 16 high-quality bearings, providing ample replacements or upgrades for your skating needs. Specifications: · Material: Steel (races), Zirconia Ceramic (balls) · Inner Diameter: 8mm (0.31") · Outer Diameter: 22mm (0.86") · Thickness: 7mm (0.27") · Quantity: 16pcs Package Includes: · 16 x Miniature Bearings Upgrade your inline roller skates with these advanced ceramic hybrid bearings to enjoy smoother, faster rides with enhanced durability and low maintenance requirements. Ideal for skaters seeking improved performance and reliability in every session.