The Rollerblade Maxxum 90 Urban Inline Skates combine a fusion of superior lateral support, comfortable padded liners, and a versatile wheel setup that can be used for commuting, cruising, or training. The vented, molded hard shell provides plenty of support, paired with Specialized Fit liners that ensure comfort for all activities. Wearing The Rollerblade Maxxum 90 Urban Inline Skates, they provide secure comfort and performance that allows you to challenge your skate. The extruded aluminum frame can fit up to 90mm wheels and enables excellent power transfer and stability. These skates come with the new Rollerblade Hydrogen Wheels that enhance your rolling experience and produce good speed with the Rollerblade SG9 Bearings. Flexible Lightweight Cuffs, Shock Absorbing Heel, 165mm Frame Mounting, Laterally Adjustable, Lining Material: Specialized Fit Liners, Skate Type: Fitness, Wheel Configuration: 90mm - 90mm - 90mm - 90mm, Wheel Durometer: 85A, Bearing Type: SG 9, Frame Material: Extruded Aluminum Frames, Maximum Wheel Size: 90mm, Closure System: Micro Adjustable Buckle on Cuff, Bearing Grade: High Performance, Wheel Size: 90-99mm, Size Adjustable: No, Skate Frame Material: Metal, Skate Closure System: Traditional Laces, Skate Cuff Height: High, Brake Included: Yes, Speed: Fast, Ventilation: Medium, Skill Range: Advanced Intermediate - Expert, Model Year: 2017, Product ID: 415886, Model Number: 07628300 096 6.0, GTIN: 0888341224480