WP Motorsports RC 125-390 Shocks are Factory pre-set, based on the factors of bike and area of use. This is thebasis for a wide setting range which provides almost limitless possibilities for individual adjustment.The WP Motorsports RC 125-390 Motorsports Shock has been developed based on our know-how from the racetrack and provides excellent damping results combined with outstanding response. Riders can experience improvedhandling of the motorcycle.The WP Motorsports RC 390 Cup Shock was first developed for the German ADAC cup. It is completely adjustable incompression, rebound and spring preload, which enables an individual setup.