Shock Absorber Type 640 Road YSS so the Wilbers shock is

so the Wilbers shock is designed a bit longer while maintaining the original seat height for better ride balance

and progressive shim stack for consistent performance

and improved braking performance

Exclusive finish: milled aluminum parts anodized black

Shock Absorber Type 640 Road YSS so the Wilbers shock isThe 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