TEMPISH Radical wheels A series of roller skate wheels designed for recreational, sports, and competitive skating. They feature exceptionally low rolling resistance, extended durability, and a comfortable ride. The Radical series is designed for all types of asphalt and concrete surfaces; the material used in their production withstands even lower-quality surfaces. Properties: Size: 84mm, 90mm, 100mm Hardness: 85A 4 pcs in a set