Shock Absorber Type 643 Competition PS Lift/Lowering:Std and stepless spring preload

and stepless spring preload

Low-friction internals yield ultra-sensitive response

This combination still offers sufficient reserve for occasional racetrack use

The Wilbers suspension solution delivers improved fork response by replacing the linear springs with progressive ones

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

Shock Absorber Type 643 Competition PS Lift/Lowering:Std and stepless spring preloadSwiveling compression reservoir, rear facing (180). For motorcycles with tight packaging, the reservoir pivots 180 to the rear to create more installation freedom. The high and low speed compression adjusters are integrated directly into the milled upper mount, each with 22 precise clicks. A pressure relief valve prevents hydraulic lock under maximum load, eliminating suspension turbulence from sudden impacts. Rebound is tuned externally via an open