PD Valves

Progressive Damping Fork Valves
Manufacturer: YSS

The new PD Fork Valves give that progressive and controlled feeling of a cartridge fork. Radial computer designed valve housing made of 6061 T6 aluminium for light weight. 65 Rockwell hardened for long life and appearance. Damping adjustable and tuneable to any application. Easy to install. Extremely cost effective. Can be used for On- and Off-Road, Racing and Touring. Fully tested and proven. To suit all brands of motorcycles with conventional forks. Has been fitted to many Trials forks with great results.


  • Increases bottoming resistance
  • Progressive feel
  • Adjustability