Transform your skating experience with these versatile inline skate replacement wheels. Each wheel features high-quality PU construction with a 90A durometer rating for optimal performance and durability. Available in multiple sizes ranging from 60mm to 80mm diameter with a 24mm thickness, these wheels come complete with pre-installed ABEC-9 bearings. The set includes either 4 or 8 wheels to accommodate your replacement needs, with 8 wheels being perfect for a complete skate refresh. The wheels are ideal for recreational skating and training, particularly suited for indoor use or smooth outdoor surfaces. Each wheel incorporates a sleek black design with eye-catching silver accents and distinctive red bearing cores. For optimal performance, these wheels feature an 8mm bearing bore diameter. The wheels provide a balanced combination of grip and roll, making them suitable for both beginners and intermediate skaters. Note: For secure wheel mounting, minor adjustments may be needed using paper shims between the bearing and hub if needed.