[Size] Free skateboard wheels with bearings are 52mm 98A polyurethane material. The wheel size is 52mm (diameter) x 30mm (width). The bearing is 22mm x 8mm and has been installed on the wheel.[Applicable] The 52mm wheels are suitable for beginners playing shorter longboards or cruising. It can be used on any ground, slope, sidewalk, smooth concrete or asphalt.[Excellent quality] 98A hardness PU material is perfectly durable, stable and quiet. The slide is fast and smooth, and has a grip help sag.[Reliable good helper] The high-quality wheels use high-quality bearings to help you successfully complete the street dial. Due to its light weight, most freestyle skaters are also favored. This wheel comes with a set of designed packaging that is suitable as a gift for family and friends.Application: Standard skateboard, long skateboard, conventional skateboard, cruiser skateboard, Penny Board, other trolley or suitcase...Colour: BlackMaterial: PU + bearingsSize: 52x30mmPackage Contents:4 x skateboard wheels8 x black circle bearings4 x sleevesOnly 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.