Seismics Description:

75mm tall x 48mm wide URCHIN Wheels
42mm stoneground running surface Offset bearing seat Radiused outside edge, beveled inside edge
6.6 oz. each Sold in sets of FOUR wheels

Ideal for fast freeride, the 75mm by 48mm Urchins love goin FAST, gettin sideways, and rippin corners!
height and width perfectly balanced for modern all-around riding
slide release thats 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

Available in TWO 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; exceptionally easy release; ultra-smooth sliding; minimal grip
Elixir: smooth, predictable slides (even on concrete) easy release and hookup supreme control bright thane lines
80A Red (stoneground): Floaty, velvet-smooth slides with bright thane lines

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