Undercover Cosmic Solstice 90 / 88A, 4-pack Fast and stable urban and freeskating wheels Undercover’s Full Selection of Wheels to Match Your Skating Style Undercover (UC) is the leading urban, freestyle, and aggressive aftermarket wheel brand. With years of experience and research under our belts, UC offers a wide range of purpose-made wheels, making it easy for you to find the perfect setup. Lightwieght, Speedy Inline Skating Wheel Big, fast, stable, and colorful - urban and freeskaters love the Undercover Cosmic Solstice 90 / 88A 4 pack. Made of high-quality urethane and poured in Texas, USA these wheels are specifically designed for high-performance urban skating and freeskating. At 90mm and with a bullet profile, skaters get an incredibly versatile wheel that is both fast and stable. Each wheel weighs only 112g, and combined with an 88A hardness the Cosmic Solstice 90 makes skating smooth and almost effortless.