This Monster Cracken Skateboard, aside from its funky monster graphic on the bottom of the 9ply maple deck, has five inch aluminium trucks with PVC cushions and ABEC 608z bearings for smooth riding. Made of wood. 5 inch aluminium trucks. 608z steel bearings. W20,. Maximum user weight: 100kg. Supplied assembled. For ages 6years and over. WARNING(S): Not suitable for children under 3 years old. Only for domestic use. To be used under the direct supervision of an adult. Protective equipment (helmet, knee pads and elbow pads) should be worn, not to be used in traffic.