Seismic: Urchin 70x44mm 80a Crystal Clear Blue Mitten professional competition-grade speed and durability

professional competition-grade speed and durability make Bones Swiss normally last several times as long as ordinary ABEC rated bearings

Use them on cold days or remove them for spring sessions or summer season wear

WAX INCLUDED

moisture-wicking fabric

Hollow Axle & Kingpin

Seismic: Urchin 70x44mm 80a Crystal Clear Blue Mitten professional competition-grade speed and durabilityDescription 70mm tall x 44mm wide URCHIN Wheels38mm running surface Offset bearing seat Radiused outside edge, beveled inside edge5. 0 oz. each Sold in sets of FOUR wheels Available in THREE proprietary formulas, with finely tuned durometer choices. Defcon: Guinness WR speed get up to speed faster! easy, predictable in slide feedback extremely slow, consistent wear 78A Mango (stoneground): super fast roll; smooth and predictable in slide feedback;