Professional quick release hubs, available in both bolt or weld to versions to connect to the steering column. Both versions are compatible with 3 or 6 holes steering wheels. This is a high-performance steering quick release system engineered with arc-shape metal and a locating pin which ensures a rapid and precise alignment. The line includes versions with an 11-pin professional electrical connector (E) included. The connector is an aluminum body, IP68 sealing, 10,000 cycles guarantee, high temperature and chemical resistance unit.