New Rollerblade 72mm Inline Skate Wheel and Bearing 8 Pack Kit Blue Black Transportation ' Louisville Slugger End Cap GNXFP1175 RHT 11.75" Wht Blu ' Louisville Slugger End Cap ' One Piece C1C Composite Construction ' Ultra Lightweight Design 100% Synthetic Synthetic sole Abrasion resistant synthetic leather for superior durability Non slip lining for comfort and performance Full length EVA midsole with adiPRENE+ for ultimate comfort Lightweight injected TPU outsole with fixed metal cleats in a 4x3 circular configuration Rollerblade brand performance wheel kit works with any brand Includes 8 wheels 16 bearings and spacers 72mm 80A durometer with ABEC 5 skate bearings Performance wheels are smooth and durable Wheels are a great upgrade make sure you rotate to extend the life of the wheel