The Giotto wheels are designed for competition-level roller skating, and are the most popular Roll-Line© wheels. * Monocoque wheels produced via injection of a mix of thermoplastic polymer materials * Provide an optimal compromise between grip and roll, thanks to their tapered profile * The rounded finish allows for use in competitions with a minimal adjustment time * Brilliant and elegant chrome coverage * Available in five hardnesses (colors) and two diameters: 57mm and 55mm * Available in sets of 8 wheels (it is at the discretion of each individual reseller to sell units in lower quantities)