Solid Bikes distributes:

Nuke Proof titanium springs

Extrem light titanium springs, 50% weight loss, high frequency response, better suspension dynamics, fits for all shocks. Comparation: Manitou steel spring 500*3.0 = 793g Nuke Proof titanium spring 500*3.0 = 391g Weight loss of 0.88lbs/402gr. !!! // Instructions & size table