Rollerblade Hydrogen 85A White Wheels: Ultimate Performance and Control: Rollerblade HYDROGEN 80/85A White wheels are the top choice for discerning skaters who demand maximum speed, grip, and durability. Made in the USA using an exclusive premium formula, they deliver excellent performance for both recreational and competitive skating. The advanced design with a slotted inner core supports the urethane layer, resulting in improved power transfer, greater cornering stability, and even wear. Key Features: 80mm Diameter / 85A Hardness: Optimal balance between speed, grip, and control. Premium Formula: High-quality urethane for excellent rebound and durability. Solid Core Design: Special core construction improves stability and a smooth ride. Maximum Grip: Excellent control and effective vibration dampening. High Performance: Ensures fast rolling and even wear. Made in the USA: Guaranteed quality and precision. Set of 8 wheels: Complete replacement set (bearings and bushings sold separately). Rollerblade HYDROGEN 80/85A White wheels are the perfect choice for skaters looking for the highest quality, performance, and reliability on every ride. TECHNICAL SPECIFICATIONS: Intended Use: Freeride / Urban Skating, Size: 80 mm, Hardness: 80A, Bearings: Not Included, Quantity: Set: 8