KEY FEATURES 3WD Extruded Aluminum Frame maximizes efficiency why helping to reduce weight while allowing you to roll on larger faster and smoother wheels Rollerblade Supreme Wheels are designed for smooth speed with enough size to eliminate most minor surface variations and a high speed profile that encourages stability Locking cuff buckle and 45 ankle buckle reinforce the shell holding you in place for maximum efficiency and control You get more by bringing less when you upgrade to the Rollerblade RB 110 Inline Skate And thats all thanks to the 3WB Extruded Aluminum Frame which in addition to being light and responsive also has room for just three wheels This means you get all the benefits of a bigger wheel like a smoother ride and improved top speed performance without having to haul around the weight of four massive Rollerblade Supreme Wheels on each foot And controlling that power is easy thanks to Molded Boot Construction that uses traditional lacing and two ratcheting straps to anchor you in the High Performance Liner SPECSWheel Durometer 85Skill Range Intermediate/AdvancedSkate Use UrbanWheel Size 110mmFEATURESBrake Not Included