85mm tall x 52mm wide SPEED VENT Wheels Offset bearing seat 49mm running surface Radiused outside edge, chamfered inside edge 8.6 oz. each Sold in sets of FOUR wheels Available in three proprietary formulas: BlackOps™ ultimate balance of speed and grip extreme traction fresh buttery and smooth broken-in comfortable and predictable Defcon™ Guinness WR speed directional slide long-lasting grip slow, consistent wear Premium Clear™ the best beautiful clear urethane on the market smooth, fast, and grippy The very fastest wheel on the planet - used to set multiple World Speed Records - including Pete Connolly’s blistering mark of 91.17 mph / 146.73 kph (Sept. 16, 2017 at The Top Speed Challenge in Quebec, Canada); and Mischo Erban’s Official IGSA standup record of 80.83 mph / 130.08 kph (Sept. 30, 2010 in northern Colorado). The 85mm by 52mm Seismic Speed Vent is molded around Seismic proprietary Energy Conversion (EC) hub – the first tall, wide hub seen in longboarding and still second-to-none. The 85mm tire provides downhill roll speed, while the weight-saving hub adds the quickness and agility of a smaller wheel, as well as enhanced rebound. Combined with lips designed for pure grip, the Speed Vent stands in a class by itself.
