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-9 Single pulley weight: 150g Colour: orange + black Material: composite material Size: 76 x 45mm Package Contents: 4 x pulleys 8 x bearings 4 x sleeves Only 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.