100% Band new and high qualitySmooth Sliding:Using 608RS high-speed rotating bearing,sliding without noise, smooth and fast rotating speed to help improve the comfort of your ride.82A Hardness Wheels: Luminous skating wheels made of high-quality PU material with 82A hardness,4-wheel PU shock absorption and wear-resistant,providing balance of grip and softness,has excellent durability.Applicable to Many Occasions: skate wheels suitable for double row skating and skateboard,with nice performance of sliding,perform well on indoor,outdoor,asphalt roads,parks.High Wear-resistant and excellent durabilityBearing: High-speed 608RSApplication: Double-row pulley/skateboardHardness: 82ASingle pulley weight: 0.1KGColour: blackMaterial: PU+PPSize: 58 x 32mmPackage Contents:4 x pulleysOnly 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.