Shock Absorber Type 643 Competition QS Cartridges The YSS PD Valve works

The YSS PD Valve works seamlessly within your existing fork structure

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Certification: Fully TUV/ABE approved (ISO certified)

Delivers the same controlled damping and comfort with model-specific fitment

the vehicle had slightly excessive negative travel

Shock Absorber Type 643 Competition QS Cartridges The YSS PD Valve worksSwiveling, diagonally mounted compression reservoir. The reservoir is mounted at an angle and can swivel, offering numerous installation options on space constrained bikes. A solid milled upper mount integrates the high and low speed compression adjusters. Both compression and rebound provide 22 clicks of adjustment for uncompromised fine tuning. A pressure control valve prevents hydraulic blocking and tames sudden impacts. Spring preload is