This BMW K100, K75, K1100 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 Series shocks in a number of ways via our partner in Netherlands – YSS Suspension Store. Simply go through the options below. Note that each shock is custom built to your specification and takes about 10 business days to process.