70mm Urchin Freeride Wheels - Seismic Skate Systems

70mm tall x 44mm wide URCHIN Wheels
38mm running surface • Offset bearing seat • Radiused outside edge, beveled inside edge
5.0 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; defined yet easy release
Premium Clear™: the best beautiful clear urethane in the world
• 80A Crystal Clear Blue: Smooth-rolling, fast, and grippy when fresh; sugary smooth sliding when broken-in
Elixir™: smooth, predictable slides (even on concrete) • easy release and hookup • supreme control • bright ’thane lines
• 82A Red (stoneground): Ultra smooth and buttery with bright ’thane lines

An extremely versatile wheel, the 70mm by 44mm Urchins have enough grip to hold lines at speed, but easy breakout for big slides. Now with a bigger bevel on the inside edge, stoneground running surfaces, and expanded formula options, they’re BETTER THAN EVER for hucking standups into corners, and for slashing your way down a hill, across town, or through an alley.
• height and width perfectly balanced for modern all-around riding
• slide release that’s smooth, easy, comfortable, and predictable
• amazing in-slide feedback and control, bleeding just the right amount of speed
• secure, comfy hookup
• vibrant ‘thane lanes
• consistent wear

Molded around our advanced Mini-EC hub – preserves ample tire thickness while saving over ½-ounce per wheel, stiffening the inside edge, and super-charging inside edge rebound.  Translation: Better roll speed, more predictable handling, and better slide control!