This Is The Standard Part For The Front Steering Hub Carrier (Tread -1mm) For The BD8 2018. Using Hard-Type Resin Mixed With Graphite, It Is Stronger Than Conventional Materials. Steering Response Is Improved, And Stability In High-Speed Cornering Is Enhanced. It Is A Type Where The Kingpin Shaft Is 1mm Closer To The Chassis. By Combining It With Wheel Hubs Of Different Thicknesses, Various Steering Characteristics Can Be Achieved Through Adjustments To The Scrub Radius And Changes To The Tread Width.