Wilbers Fork Spring - Zero friction - Linear Fork Upgrade Kit a detailed guide is included

a detailed guide is included

and bottoming resistance to match shifting track conditions

slightly stiffer springs for clearer feedback and increased safety

KTM 890 Duke / 890 Duke L – Sharper Response

Harley-Davidson Electra Glide “Revival” – Comfort & Stability

Wilbers Fork Spring - Zero friction - Linear Fork Upgrade Kit a detailed guide is includedWilbers linear fork springs Progressive springs are great all rounders for touring and off road, while linear springs are the precise specialists ideal for track use. Their linear rate simplifies dialing in the fork. Made from premium chrome silicon steel and supplied with ABE. Note: the air chamber still adds progression near the end of travel. Product may vary from picture. Recommended oil viscosity and air chamber: