Shock Absorber Type 643 Competition P Preload Adjuster:Hook Wrench Wilbers progressive fork springs —

Wilbers progressive fork springs — ZERO Friction finishing

An aluminum sealing ring for a double banjo bolt is an essential part of hydraulic and pneumatic systems

Whether mounted above or below the yoke or along the frame

with more resistance at higher speeds

and Ride Height/Length Adjustment (on selected models)

Shock Absorber Type 643 Competition P Preload Adjuster:Hook Wrench Wilbers progressive fork springs —With compression reservoir on a milled mount. The upper mount is precision milled from solid aluminum and integrates the high and low speed compression adjusters. A pressure relief valve prevents hydraulic lock and shields the chassis from uncontrolled jolts under extreme compression. The shock is fully adjustable: 22 clicks of rebound and 22 clicks each for high and low speed compression. Spring preload can be set mechanically or, optionally,