577043 Sissy bar kit 21" 1-piece upright, black

This 21-inch one-piece sissy bar kit from MCS provides a classic tall look and passenger security for your Dyna. Finished in a durable gloss black, the upright features welded-on side plates for maximum strength and a clean, integrated appearance. The quick-detachable design allows you to easily install or remove the sissy bar depending on your needs, though it does require model-specific docking points and hardware. This kit fits 2010–2017 Dyna Wide Glide and Fat Bob models. It is a straightforward, high-quality upgrade that matches the original equipment style, naturally replacing OEM number 577043. Whether you are strapping down a bedroll for a long trip or giving your passenger some back support, this sissy bar is built to handle the job.