The WP APEX PRO 6543 Fork has been developed based on our know-how from the race track and provides excellent damping results combined with outstanding response. The driver can handle the motorcycle more skillfully and has outstanding control. The WP APEX PRO 6543 Fork was first developed for the German ADAC cup. A open cartridge system combined with high quality coated tubes ensures highest performance and responsiveness. It is completely adjustable in compression, rebound and spring preload, which enables an individual setup.