Engine Guard for Harley Davidson Softail Street Bob 18-23 HB4 black Crash Bar. Motorcycle engine crash bar as optimal protection for rider and motorbike in case of falls. Prevent or reduce reliable damages to the bike and can prevent costly repairs. Protection for the motor and also for higher parts such as fairing, tank or attachments, as the motor protection bars reduce the inclination to the ground in the event of a fall. Tube diameter of 32mm (1 1/4 inch) for stability and real custom look. Mounting points of the guard are chosen so that the impact energy is optimally distributed and punctually high loads are avoided. Optimally adapted to the motorcycle, perfect fall protection without disturbing the look, maximum lean angle is not affected. Bent on High-Tech CNC bending machines for absolute accuracy of fit. Delivered ready to mount, assembly kit included. Important: Might not fit with forward foot controls. Softail Street Bob (FXBB). Softail Street Bob (FXBBS).