The new Undercover Antirocker wheel is extremely stylish and strong in addition to having a dual color pour. has a 45mm diameter, a 65D (rockhard) hardness rating, and a flat profile. This antirocker wheel doesn't require a core because of its exceptional hardness, assuring optimum durability. Even with a 60mm wheel arrangement, its size eliminates the possibility of wheel biting. For any ambitious street skater, a must-have! [ "Segments: Aggressive", "Size: 45mm", "Net weight (kg): 0.142", "Gross weight (kg): 0.148", "Packaging Size: x x ", "Weight: 0.148", "VPE Packaging: x x ", "Warranty: 2 Years", "Release Year: 23", "Wheel Bearing Standard: 608", "Wheel Compound: Polyurethane", "Wheel Core: N/A", "Wheel Diameter: 45mm", "Wheel Hardness: 65D", "Wheel Manufacturing Process: Cast", "Wheel Profile: Flat", "Wheel Spacer: AL floating spacer,8mm", "Wheel Surface: Machined & cut", "Wheel Width: 24mm