[Size] The skateboard wheel is material. it is mounted on the wheel. [Application] 83mm wheels are suitable for beginners to use when playing shortboards at low or cruising. It can use all grounds, ramps, sidewalks, smooth concrete or asphalt. [ quality] Hard PU material is perfect , 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. Colour: Red Material: PU Size: 83 x 52mm Package Contents: 4 x Skateboard wheel Only 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.