Wilbers Fork Spring - Zero friction - Progressive WESA where equipped with an external

where equipped with an external reservoir

and track riders who demand absolute precision

ensuring optimal stability and control

The Wilbers solution corrects this by using progressive springs with a matched block value on the suspension struts

643 QSD — Diagonal

Wilbers Fork Spring - Zero friction - Progressive WESA where equipped with an externalFront 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.