Reduce friction inside the hub of the bearing by adding durable SPACERS and WASHERS.
Make your bearings stress-less and prevent your bearings from exploding or seizing.
Increase your wheel & speed and bearings & life by adding Professional Speed Kit.
Good axial and radial support performance, durable choice for high speed rotation.
Designed for skateboarding, long board, inline skate.
Iron Box: 7.5x3cm/2.95×1.18inch
1 Piece Bearing
Color might be slightly different due to the color calibration of each individual monitor.
Please allow slightly measuring deviation due to manual measurement.