Wilbers Fork Spring - Zero friction - Linear Wilbers We replace the fork’s linear

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

fully adjustable system featuring milled aluminum axle clamps

threaded spring preload collar with a side locking bolt

Our WESA system

Serviceability: 100% Fully rebuildable and serviceable for long-term racing use

Wilbers Fork Spring - Zero friction - Linear Wilbers We replace the fork’s linearFront end lowering spring kit. When lowering a motorcycle, front and rear must be matched to preserve chassis geometry. This special fork spring kit adapts the front to the lowered rear. Installation requires expertise and specific tools; a detailed guide is included. Fork oil not included. Product may vary from picture.