77mm tall x 55mm wide Speed Vent Wheels.
Offset bearing seat, dual lip design.
7.1 oz. each.
Poured in Black Ops™ urethane.
Sold in sets of FOUR wheels.
The 77mm by 55mm Seismic Speed Vent is molded around our proprietary weight-saving Energy Conversion (EC) hub – possibly the raciest, sexiest hub on the market. The 77mm diameter gives it the roll speed of a downhill 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 is utterly unique among high-end wheels. Breakthrough performance for longboarding, downhill, GS, and even Hybrid slalom.