Shock Absorber Type 640 Road YSS Hyperpro progressive fork springs are

Hyperpro progressive fork springs are made of the best materials and best treatment for a durable solution to your bike

braking stability

and hi-low speed adjustments

A pressure-relief valve prevents hydraulic blocking and protects the chassis from impact loads

especially on uneven surfaces

Shock Absorber Type 640 Road YSS Hyperpro progressive fork springs areThe 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