Wheels SEISMIC Tailwind 83mm 76A Mango Defcon

The Seismic Tailwind 83mm 76A Mango Defcon Wheels are designed for riders looking for maximum rolling efficiency, high-speed stability, and precise handling. With a 83mm diameter and 55mm width, these wheels offer exceptional momentum, smooth acceleration, and maximum mileage for long-distance pushing (LDP) and top-speed riding. The 50.5mm running surface ensures consistent wear, predictable slides, and superior grip through hard corners and powerful pumps. Formulated with Seismic’s Defcon™ ultra-high-rebound urethane, these wheels provide Guinness World Record speed, enhanced energy efficiency, and long-lasting performance. The 76A Mango durometer delivers a smooth, fast, and lively feel underfoot, making them the perfect choice for a wide range of surface conditions. Built around Seismic’s Fusion™ core, the largest and most advanced hub in skateboard racing history, these wheels maximize energy return, improve acceleration, and enhance edge support. The bearing seat, offset by 6.5%, ensures progressive lip engagement and uniform wear, while the radiused outside edge and beveled inside edge allow for high-speed grip with controlled slide initiation. Specifications : Size : 83mm x 55mm Color : Mango Durometer : 76A Formula : Defcon™ (Guinness WR speed, ultra-high rebound) Running surface : 50.5mm Bearing seat : Offset 6.5% (for progressive lip engagement) Profile : Radiused outside edge, beveled inside edge Core : Fusion™ (46mm x 44mm fiber-reinforced thermoplastic) Weight : 9.25 oz per wheel Sold as : Set of four wheels Designed for high-speed longboarding, LDP, and technical downhill, the Seismic Tailwind 83mm 76A Mango Defcon Wheels offer unmatched speed, control, and efficiency for elite riders and e-board enthusiasts.