Wilbers Fork Spring - Zero friction - Linear Fork Seals Is your motorcycle's front end

Is your motorcycle's front end feeling soft

Indestructible MX Build: Features a robust 36mm piston and a heavy-duty 12mm hard-chrome shaft

Promoto tubes match OEM dimensions precisely and can save up to 50% versus original parts

Kawasaki ZX‑6R (ZX636G) – Track‑Ready Control

Wilbers Fork Spring - Zero friction - Linear Fork Seals Is your motorcycle's front endWilbers 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: