 The rear suspension was made by De Dion, with the unusual feature that to restrain the tube from side-to-side movement, its tube had a small wheel at its midpoint that rolled in a vertical channel on the front of the differential (which in a De Dion system is bolted to the chassis) instead of using a Watt's linkage or a Panhard rod.Z-102s competed in several racing events but were met with little to no real success.Three Z-102s were entered by Pegaso in the 1953 24 Hours of Le Mans (some sources claim the number was 4, and others claim only 2 entered), but during the race driver Juan Jover misjudged the speed of his approach to the corner after the Dunlop bridge, causing him to crash his Z-102 Spyder into the barriers at more than .