PRISTINE CONDITION! Used 2020 River Rock Gray Harley-Davidson Softail Street Bob Milwaukee-Eight® 107 FXBB For Sale! A powerful, agile, and responsive cruiser in Harley-Davidson history features a lighter and stiffer frame, high-performance suspension and the smooth, unrelenting torque of a fully counter-balanced Milwaukee-Eight V-Twin engine. Each Softail model has a distinctive look and attitude that stays true to the roots of Harley-Davidson's custom motorcycle design. Come in and see it for yourself!