Shock Absorber Type 643 Competition QS Adjustline The only difference is the

The only difference is the omission of the compression reservoir and the ability to adjust high- and low-speed compression

5–10 N/mm) with a carefully adjusted air chamber that still leaves headroom for occasional track use

At the same time

They are completely adjustable in compression

Shock Absorber Type 643 Competition QS Adjustline The only difference is theSwiveling, diagonally mounted compression reservoir. The reservoir is mounted at an angle and can swivel, offering numerous installation options on space constrained bikes. A solid milled upper mount integrates the high and low speed compression adjusters. Both compression and rebound provide 22 clicks of adjustment for uncompromised fine tuning. A pressure control valve prevents hydraulic blocking and tames sudden impacts. Spring preload is