4pcs 70 x 51MM Outdoor Sport Skateboarding Wheel Skate Bearing Features‎:‎ ‎- High resilient PU infusion processing material‎,‎ durable and wear‎-resistant ‎- Polyurethane wheels with ABCE ‎- 9 bearing for smooth riding and high durability ‎- 70 x 51mm standard cruiser wheel size‎,‎ fit for most of the skateboard ‎- Include 4 wheel hubs‎,‎ make the wheel and holder connect closer and decrease the friction ‎- Colorful and cool appearance‎,‎ make you attractive among the skateboarders ‎- Hardness‎:‎ 83A neutral hardness   0.715 Package weight‎:‎ 0.773 kg Product Size‎(‎L x W x H‎)‎‎:‎ 7.00 x 7.00 x 5.10 cm / 2.76 x 2.76 x 2.01 inches Package Size‎(‎L x W x H‎)‎‎:‎ 14.00 x 14.00 x 5.50 cm / 5.51 x 5.51 x 2.17 inches Package Contents‎:‎ 4 x Skateboard Wheel with Bearing