Seismic

Speed Vent 78.5a Longboard Wheels

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Description plus minus

The 73mm by 56mm Seismic Speed Vent is molded around Seismic's proprietary weight-saving Energy Conversion (EC) hub the first tall, wide hub seen in longboarding and still second-to-none. The 73mm diameter gives it the roll speed of a larger wheel, 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.

  • 73mm tall x 56mm wide
  • 55mm running surface
  • Offset bearing seat
  • Square outside edge, beveled inside edge
  • Defcon urethane: directional slide - long-lasting grip - slow, consistent wear
  • Set of 4 wheels
Specs plus minus
  • Durometer::
    ?
    Hardness in simple terms. The higher the number, the harder.
    78.5a

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