Fulcrum racing quattro lg cx road wheels the racing quattro lg cx is designed for the specific demands of cyclocross and delivers reliability lightness and responsiveness this new 35mm wheel gives athletes the edge when facing extreme conditions a new 35mm rim was developed by fulcrum to strike the perfect balance between aerodynamic efficiency handling and lightness torsional and lateral stiffness is increased improving stability even at high speeds double butted steel spokes with an ae