RC 125-390 Cup Shock


Friction-optimized bushings and high quality seals

High pressure gas-filled damping system

Light weight construction

Fully adjustable with standard tools

Standard in the KTM RC 390 Cups around the world


Technical description

WP Motorsports RC 125-390 Cup Shocks are factory pre-set based on the factors of bike and area of use. This is the basis for a wide setting range which provides almost limitless possibilities for individual adjustment. The WP Motorsports RC 125-390 Cup Shock 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 Motorsports RC 390 Cup shock was first developed for the German ADAC cup. It is completely adjustable in compression, rebound and spring preload, which enables an individual setup.

Technical data

  • Piston 46 mm
  • Piston rod 18 mm


  • Spring Preload  
  • High Speed Compression Damping  
  • Low Speed Compression Damping  
  • Rebound Damping  
  • Length  

Installation Guide

The WP Motorsports RC390 Cup shock replaces the original shock. It is designed to fit in the original frame and can also be fitted together with the original foot rests. The WP Motorsports RC390 Cup shock comes with a standard spring. Alternative springs are available for individual setup. The shock can be fine-tuned by any WP Supplier to match the requirements for individual tracks and rider’s weight. Additionally a wide range of simple adjustments allows the rider to fully adjust the shock: The WP Motorsports RC390 Cup Shock is tested and designed to offer the highest performance in combination with the WP Motorsports RC390 Cup Fork.


Individual suspension elements for each type of rider - configure your own suspension setup.

start configuration