Wilbers Fork Spring - Zero friction - Linear WESA The YSS PD Valve works

The YSS PD Valve works seamlessly within your existing fork structure

or prone to excessive dive under heavy braking

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

The SKF green fork seal kit was developed to meet modern mobility demands

Wilbers Fork Spring - Zero friction - Linear WESA The YSS PD Valve worksWilbers 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: