Diameter : 390mm / 15.35. Note: Steering shaft diameter 21mm. Brand New and 100% authentic NARDI product C.
Ertificate Of Authenticity (COA) included. Nardi was an engineer and a man with fine intuitions and a great practical sense. He applied his incredible talent to everything that was, in some way, connected to automobiles which gave him the chance to meet the greatest pioneers of the automotive industry such as Vincenzo Lancia, one of the first men to believe in Nardi's abilities. He wanted him by his side entrusting him with more and more important responsibilities and tasks from test driver to close friend and confidant.