Wheels SEISMIC Speed Vent 85mm 78.5A Mango Defcon

The Seismic Speed Vent 85mm 78.5A Mango Defcon Wheels are built for riders looking for extreme roll speed, precise handling, and superior traction. Their 85mm diameter and 52mm width provide unmatched momentum and efficiency, while the 49mm running surface ensures consistent grip and smooth, controlled slides. Poured in Seismic’s Defcon™ ultra-high-rebound urethane, these wheels offer Guinness World Record speed, directional slides, and long-lasting performance. The 78.5A Mango durometer delivers a fast, lively feel with a controlled slide release, making them ideal for high-speed downhill racing, LDP, and technical freeride. Designed around Seismic’s Energy Conversion (EC) hub, the first and most advanced tall, wide hub in longboarding history, these wheels maximize acceleration, improve energy transfer, and enhance rebound. The offset bearing seat promotes progressive lip engagement and uniform wear, while the radiused outside edge and chamfered inside edge allow for maximum grip with smooth slide initiation. Specifications : Size : 85mm x 52mm Color : Mango Durometer : 78.5A Formula : Defcon™ (Guinness WR speed, ultra-high rebound) Running surface : 49mm Bearing seat : Offset (for progressive lip engagement) Profile : Radiused outside edge, chamfered inside edge Core : Energy Conversion (EC) hub Weight : 8.6 oz per wheel Sold as : Set of four wheels Perfect for high-speed downhill racing and long-distance pushing (LDP), the Seismic Speed Vent 85mm 78.5A Mango Defcon Wheels provide unrivaled speed, grip, and slide control for elite riders.