Wilbers Fork Spring - Zero friction - Progressive Clamps Wilbers fits a linear spring

Wilbers fits a linear spring and optimizes rebound and compression damping for maximum comfort

and therefore

The suspension geometry on both the front and rear axles has been sensibly refined by adjusting the negative spring travel

Due to the slightly longer design of the Wilbers shock absorber

Wilbers Fork Spring - Zero friction - Progressive Clamps Wilbers fits a linear springFront 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.