The foundation of the racing quattro name derives from the italian word for four or ldquoquattrordquo which represents the very versatile rim profile of 40mm the common denominator throughout the line up of racing quattro wheels comes in the form of this ldquodo it allrdquo rim profile that offers both aerodynamic advantages as well as a low rotational mass review please read the road cc review of the fulcrum racing quattro carbon wheels with such a combination the 40mm rim is equall