Dyna Glide ModelsSuper Glide, Super Glide Sport, Super Glide Custom, Dyna Glide Convertible, Super Glide T-Sport, Dyna Glide Police, Dyna Switchback, Low Rider, Street Bob, Fat Bob and Wide Glide.
You may not need one. I take the wife you a ride once in a while, she never complains. Most people just want to feel secure by having something behind them so they don't slide off.