Wilbers Fork Spring - Zero friction - Linear WESA The YSS Fork Fork Cartridge

The YSS Fork Fork Cartridge Kit is not just an upgrade

The YSS PD Valve works seamlessly within your existing fork structure

now maintain smooth motion with no stiction or “stalling

preventing oil foaming (aeration) and giving you consistent

or prone to excessive dive under heavy braking

Wilbers Fork Spring - Zero friction - Linear WESA The YSS Fork Fork CartridgeWilbers 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: