Standard Softail Sissy Bar for 2018 and Up (Fat Bob, Street Bob, Lowrider, Slim, Standard, Fat Boy)This hand bent and hand welded motorcycle sissy bar measures 25 inches tall from the base. It bolts outside the struts of 2018 and up Harley Softail models and comes with required hardware. There are four mounting options listed: "Fat Bob" only fits the 2018 and up Fat Bob "Street Bob" fits the Softail Street Bob, Standard, Heritage* and Softail Slim "Low Rider" fits the Low Rider, Lowrider S, and Sport Glide* "Fat Boy" fits the 2018 and up Fat Boy