1. The wheels are made of materials and have an ultra-light design to extend service life and durability, while reducing quiet vibration and wear2. The wheel core is wrapped in fast-rolling, powerful and high-resilient PU, making riding stable and calm.3. The wheels are equipped with our fast rolling and high precision ABEC-9 bearings4. Suitable for most freestyle scooters with 110mm pulleys5. Very suitable for use on wooden floors, carpets, grass, parks and paved roads.Notice:Please check whether the size is applicable before buyingMaterial:Aluminumandpucolour:BlackPackage Contents:2 x Skateboard wheels (with silver bearing)Only the above package content, other products are not included.Note: Light shooting 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.About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shoppingThanks for your cooperation and we'll make you feel satisfied. 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.