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If Doctor Evil created a wheel, it would be this one. Nothing about this wheel is normal. Everything about it is designed around maximum performance.

The core: Look at the wheels on your board, and then everyone else’s. Notice the same core? It is the standard generic core everyone uses. Why? Because it is cheap. If you are making wheels, do it cheap, so you make more money. Or do what Seismic do, make a wheel for a purpose, forget about what it costs, do it right. That’s why their wheels are associated with speed, records and winning.

The secret of the 73mm by Seismic Speed Vent is the weight-saving Energy Conversion (EC) hub. The hub lightens the wheel but the size gives it a big roll speed. Get the idea? Watch Aaron Hampshire or Chase Hiller racing, they both get that huge acceleration and then sharp dives into corners and around other racers! Big roll speed, lightness of the smaller wheel. Just don’t tell your mates the secret of your new found speed.

  • Diameter: 73mm
  • Width: 54mm
  • Contact Patch: 54mm
  • Durometer: 81.5a
  • Core Placement: Offset
  • Lip Profile: Sharp
  • Wheel Surface: Smooth
Weight 3 kg
Dimensions 17 × 7 × 17 cm

78a, 81a, 84a

Kats Rack