Amazon.com : Z-FIRST High Speed 608RS Hybrid Black Ceramic Bearings for Longboard, Inline Skates, Skateboard, Scooters, Skateboard and More (Pack of 4, Black) : Sports & Outdoors
Amazon.com: 608-ZZ Ball Bearings Skateboard Bearings, Double Sealed Shielded Deep Groove Bearings for Skateboards, Inline Skates, Scooters, Roller Blade Skates (8mm x 22mm x 7mm) : Sports & Outdoors