XTrig OEM Phds Bar Mounts KTM / Husqvarna 125cc-450cc The XTrig OEM Progressive Handlebar Dampening System (Phds) is a system supported by elastomers designed to absorb engine and chassis vibrations. The system also dampens the forces acting on the handlebar in horizontal and vertical directions which maintains steering precision. Features: Designed to mount directly to OEM top triple clamps Includes mounting hardware Fits 1-1/8 handlebars Sold as a set Note: Not compatible with aftermarket triple clamps.