18-24 Softail- without Pre-Load adjuster knob: 2020 FLDE Deluxe 107; 18-21 FLSL Slim 107; 18-20 FXBB Street Bob 107; 21-24 FXBBS Street Bob 114; 18-20 FXLR Low Rider 107; 20-24 FXST Softail Sta