Roll-line Spacer 8mm Roller Skates > Roller Skate Boots > Sure-Grip Boots These are 11-ball ceramic bearings

These are 11-ball ceramic bearings made of the S1N34 ceramic

The slightly grooved surface makes the Sfera extremely silent during the counter turns

ā€¢ The Italian style to wear on the track

Anti-bacterial breathable nylon lining for feel and comfort and odor-resistant

Roll-line Spacer 8mm Roller Skates > Roller Skate Boots > Sure-Grip Boots These are 11-ball ceramic bearingsRoll Line Wheel Spacers Optimize your skate performance with Roll Line Wheel Spacers. Crafted from high quality aluminum, these spacers are designed to fit 7mm axles, providing a reliable and durable solution for your skating needs. The 9mm center bore ensures a precise fit, enhancing the stability and smoothness of your ride. Each pack includes 8 spacers, making it easy to outfit your entire set of wheels. Using wheel spacers is essential for