Shock Absorber Type 642 Competition Preload Adjuster:Hydraulic Preload Adjuster (Wilbers-PA) (+$505) or prone to excessive dive

or prone to excessive dive under heavy braking

Highlights

Certification: 30mm Piston

Made from premium chrome-silicon steel and supplied with ABE

This premium kit represents a significant leap beyond the capabilities of the YSS PD Valve

Shock Absorber Type 642 Competition Preload Adjuster:Hydraulic Preload Adjuster (Wilbers-PA) (+$505) or prone to excessive diveThe ultimate in motorcycle shock absorbers: the upper mount is a precision milled component that connects to the compression reservoir and houses the high and low speed compression adjusters. With 22 clicks each, they can be dialed precisely to your needs. A pressure relief valve prevents hydraulic lock at maximum compression speed and mitigates uncontrolled jolts. Rebound is externally adjustable in 22 clicks, and spring preload is steplessly