- Hardness 85A: These single row roller skate wheels are designed with an 85A hardness rating, making them ideal for both indoor and outdoor skating. They provide excellent braking performance, ensuring enhanced safety while you skate. - Size Options: Available in sizes 90mm, 100mm, and 110mm in diameter, these wheels are compatible with a variety of roller skates, allowing you to choose the perfect fit for your skating style. - Premium Quality: Crafted for durability, these wheels deliver smooth support and a comfortable grip. Experience strong traction even at high speeds, enhancing your overall skating performance. - Increased Speed: Engineered to reduce friction, these wheels promote higher speeds on multiple surfaces. Whether you're skating leisurely indoors or competing in roller skating events, these wheels are the perfect choice for optimal performance. - Use Scenarios: - Ideal for indoor recreational skating, providing a smooth and enjoyable experience. - Perfect for roller skating competitions, delivering the speed and grip needed for high-stakes events. - Versatile for outdoor skating, suitable for various terrains while maintaining stability and control.