Wilbers Fork Spring - Zero friction - Linear Fork Upgrade Kit Promoto replacement fork tubes —

Promoto replacement fork tubes — OEM fit

adding support deeper in the stroke

riding style

specifically sealed and hardened to survive the relentless abuse of dirt

Ideal for serious enthusiasts and professional riders

Wilbers Fork Spring - Zero friction - Linear Fork Upgrade Kit Promoto replacement fork tubes —Wilbers 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: