Overview Product Description Clone Chromosome Conical Skate Wheels Set White Blue 54mm/101a 54mm | 101A White Height 54mm / Width 34.5mm / Tread 20.5mm Super High Rebound Urethane Durable, Flat Spot Resistant Formula Includes 4 Wheels + Custom Clone Test Tube w/ Cork Stopper Click here to view our entire selection of these products