Shock Absorber Type 640 Road YSS Complete package includes:

Complete package includes:

Fine-tune your rear-wheel recovery speed to eliminate bouncy "pogo" effects and keep your chassis steady through rough cornering

much harder spring rate

The Wilbers suspension solution delivers a significantly improved fork response by replacing the original linear springs with progressive ones

Shock Absorber Type 640 Road YSS Complete package includes:The basic edition of the Wilbers Adjustline mono shock absorber features the same advanced technology as the more complex versions. The only difference is the omission of the compression reservoir, and therefore the ability to adjust high and low speed compression. Despite this, the shock absorber makes no compromises in terms of response behavior or durability. Its radial piston design, wet run operation, and Teflon guided self aligning bearings