• The world’s fastest urethane and most progressive hub-and wheel engineering bring unparalleled rebound and superior energy efficiency to a huge 90mm-Diameter shape.

• Higher top speeds, longer push distances, and extended ESK8 battery life and riding range!

• Next-level weight-saving Turbine™ hub features bigger vent holes for more accessible e-board pulley adapter fitting.

• Hub structure ingeniously sculpted for highly-optimized routing of wheel rebound energy.

• Width, edge profiles, and bearing seat offset finely calibrated for race-style grip and more consistent wear.

• Half-millimeter concave running surface preloads edges, sharpens grip, enhances rebound.

Price is for a set of 4 Wheels

Durometer 74A

Available online and in our store

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Freebies & Special Perks

Free Sickboards T-Shirt – Orders over €150 get a free Sickboards T-shirt to ride in style.

Free Parking – Swing by our store and enjoy reserved free parking while you check out the latest gear.

Fast & Reliable Shipping

Same-Day Shipping – Order before 14:00 (2 PM) and we’ll ship it the same day.

Free Shipping – Enjoy free shipping to NL/BE/DE for orders over €75 rest of the EU free from €150

Worldwide Shipping – We ship globally! Free shipping from €300 (€600 for Asia).

Trusted Carriers – We work with DHL, UPS, and DPD to ensure safe and quick deliveries with Tracking.

Hassle-Free Returns & Customer Support

100-Day Return Policy – Not happy? Return your unused item within 100 days.

Top-Rated Service ⭐⭐⭐⭐⭐ – Google Rating: 4.8/5 based on thousands of happy riders!

Secure & Flexible Payments

Multiple Payment Options – Pay via iDEAL, PayPal, Credit Card, Apple Pay, Google Pay & more.

Safe Checkout – Your data is secure with SSL-encrypted transactions.

Shop with confidence, ride with style!

Poured in DEFCON™ – the world’s fastest urethane!

• With a remarkable set of unique and highly-advanced properties, Seismic’s DEFCON ultra-high-rebound urethane is the fastest formula in the history of skateboard racing, bar none.

• Credited with virtually every significant world speed and distance record – including the official Guinness Standup mark (91.17 mph / 146.73 kph), the official Guinness Street Luge mark (101.83 mph / 163.88 kph), the official Guinness Standup Slide mark (73.34 mph / 117.35 kph), and the Long-Distance Push Mile, Marathon, and 24-Hour Ultra marks!

• Defcon’s superior energy efficiency means not just higher speeds and longer push distances, but also noticeably longer battery life and rolling range on your e-board! (If not yet available, ask your favorite e-board brands to offer pulley adapters fitted to the Turbine hub.)

• Available in two finely-tuned durometers, both with predictable handling and slow, consistent wear…

– 74A Mango: Fast, smooth, grippy, and lively underfoot. An optimal balance of properties for most surface conditions.

– 76A Mint: Ideal for smoother surfaces. Very fast roll with friendlier slide characteristics. Excellent durability.

Specs

Diameter: 90mm
Durometer: 76A
Width:58mm