Asymmetrical monotube damper kit with FST dampers. Spring rate and damping is pre-set. No modification to forks required. This true high performance Progressive Suspension asymmetrical monotube fork kit that features a set of gas charged road smoothing Frequency Sensing Technology (FST) dampers and custom tuned progressive rate fork springs. Offers better road holding; better resistance to front brake dive; less susceptibility to bottoming out and improved stability in cornering. Comes as a complete replacement kit including all internal fork components; apart from the fork tubes and oil. Note: Available in a standard and lowered height. See 874752 for standard height.