This BMW K100, K75 YSS suspension replacement rear shock absorber from the Ecoline range, is a high efficiency gas shock absorber that can be adjusted according to the user. It has a threaded preload adjuster which the you can turn in order to personalize your settings. There is also the option to fully customise the look and length of your BMW K 100 / K75 shocks in a number of ways via our partner in Netherlands – YSS Suspension Store. Check out the options below: Note that each shock is custom built to your specification and takes about 10 business days to process.