Add off-road capabilities to your existing longboards.Cast with 75A super-high-rebound urethane for unparalleled speed.Set of 4, Professional wheels for skateboard, longboard, mountainboard.All-terrain longboard wheels.The fully exposed core reduces weight while providing quick acceleration and crisp slides.Bearing: ABEC-9Single pulley weight: 150gColour: orange + blackMaterial: composite materialSize: 76 x 45mmPackage Contents:4 x pulleys8 x bearings4 x sleevesOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.