Riedell Sonar Zen Outdoor Wheels (Set of 8) – Fritzy's Roller Skate Shop
Amazon.com : Bont Skates BPM Quad Roller Skate Outdoor Wheels - Suitable for Recreational Skating Asphalt Sidewalk Boardwalk Street - 62x35mm 78A, Made in USA (Gamma Blue - Pack of 4) : Sports & Outdoors