Shock Absorber Type 641 Competition Preload Adjuster:Hook Wrench Includes stepless spring preload adjustment

Includes stepless spring preload adjustment via spanner tool

The external high- and low-speed compression adjusters

All tools are designed with the experience of over twenty years in the suspension industry to enable users to work effectively and safely

and Preload Adjustable Fork Caps (included depending on specific bike application)

We replace the fork’s linear springs with progressive units for better initial compliance and more support later in the stroke

Shock Absorber Type 641 Competition Preload Adjuster:Hook Wrench Includes stepless spring preload adjustmentThe standard fork is fitted with very soft springs. The Wilbers solution replaces these with slightly stiffer, progressive springs for improved feedback, comfort, and handling. The rear shocks spring rate has also been optimized using a slightly firmer spring along with improved rebound and compression damping for greater control. The suspension geometry on both the front and rear axles has been sensibly refined through adjustments to the negative