Photo of the Seismic 73MM BlackOps Speed Vent lineup

Seismic Speed Vent BlackOps Review

Most people know Seismic Speed Vents as the number one long distance pushing and pumping wheel, but did you know that they are also efficient downhill and freeride wheels?

The 73mm Seismic Speed Vent was first seen around July of 2008. Over the years it’s been available in an assortment of sizes and urethane formulae. The 73mm size, BlackOps urethane and Energy Conversion core make a great allrounder.

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Seismic x Harfang Grooved Rain Alphas

Harfang x Seismic Wheels

Seismic and Harfang have come together in a new collaboration to create a series of race wheels specially-grooved for better traction and speed on wet road surfaces. Seismic technology combined with Harfang’s tread preparation make wet-weather rippers that are now available direct from Seismic or Harfang.

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