To set sag, put the bike on a centerstandand meas from where the sidepanel and rear fender meet to the axle. write that number down. Have all your gear on and take bike off stand. Sit on bike with ALL of your gear on. Balance yourself so that ALL of your wt, is on the bike and have someone meas. the same pts. again. Subtract this number from the 1sr number. this is your sag. To adj. loosen the shock lock ring on top of the shock and turn the second ring to tighten or loosen the preload which will change the sag. This whole process may have to be repeated till the sag is where it should be.