[Size] The skateboard wheel is made of PU material. it is mounted on the wheel.83x52mm[Application] 83mm wheels are suitable for beginners to use when playing shortboards at low tide or cruising. It can use all grounds, ramps, sidewalks, smooth concrete or asphalt.[Strict quality] Hard PU material is perfect durable, stable and quiet material. It can slide quickly and smoothly, and also has gripping edges that help downhill.[Big hub for special tricks] Premium wheels with high-quality bearings can help you perform street tricks well. Most freestyle skaters are also favored for their light weight. As a gift to family or friends.Hardness: 82AColour:redMaterial:PUSize:83x52mmPackage Contents:4 x Skateboard wheel8 x ABEC-11 purple bearings4 x sleeveOnly 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.