Wilbers Fork Spring - Zero friction - Linear Cartridges Featuring a heavy-duty 36mm piston

Featuring a heavy-duty 36mm piston and active damping

or navigating off-road terrain

delivering the performance benefits of a much more expensive suspension setup at a fraction of the cost

Maintenance‑free spherical bearings deliver long‑term durability

clean profile with a 30mm piston that integrates seamlessly with your vintage motorcycle’s frame without the bulk of external reservoirs

Wilbers Fork Spring - Zero friction - Linear Cartridges Featuring a heavy-duty 36mm pistonWilbers 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: