Wilbers Fork Spring - Zero friction - Linear Fork Upgrade Kit Ultra-Low Friction Design: Built with

Ultra-Low Friction Design: Built with a heavy-duty 36mm piston

Engineered specifically for classic dirt bikes

and spring preload adjustments

Use the top-cap threaded rings to compress the internal springs and set your exact rider sag based on your gear and riding weight

With a dedicated compression adjuster on the piggyback reservoir

Wilbers Fork Spring - Zero friction - Linear Fork Upgrade Kit Ultra-Low Friction Design: Built withWilbers linear fork springs Linear springs offer predictable, easily adjustable behavior the specialists choice for the racetrack. Built from first class chrome silicon steel and supplied with ABE. Even with linear springs, the air chamber provides end stroke progression. Product may vary from picture. Recommended oil viscosity and air chamber: