ITEM NAME:High Longboard Skateboard Black Wheels With Abec 9 Bearings Spacers Description: 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. Specification: Material: Steel Size: Iron Box: 7.5x3cm/2.95x1.18inch Bearing: 2.2x0.7cm/0.86x0.27inch Sleeve: 1x1cm/0.39x0.39inch Package Includes: 1 Piece Bearing Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. SKU: DMO0012161166020674.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.