YSS suspension units are one of the most efficient alternatives to the original equipment when replacing shock absorbers. * TOP line G-Series range twin shock absorber * Efficiently absorbs linear shocks * Hydraulic shock absorber * Preload, compression & rebound damping adjustment: numerous adjustment options to meet the requirements of the motorcycle * Specific base & spring setting specific to each application * Direct replacement for OE * YSS GP Shock range-topping spring Article: YSS Rear twin shock double tube hydraulic