Shock Absorber Type 642 Competition Preload Adjuster:Hydraulic Preload Adjuster (Wilbers-PA) (+$505) more usable adjustment range than

more usable adjustment range than stock and a calmer chassis on rough pavement

redefining what you can expect from your motorcycle's performance

rebound and compression damping have been optimized for better control and ride quality

Spring preload is continuously adjustable for riding with a passenger or luggage — manually or

Shock Absorber Type 642 Competition Preload Adjuster:Hydraulic Preload Adjuster (Wilbers-PA) (+$505) more usable adjustment range thanThe 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