SOFTAIL SWINGARMOur swingarms are designed to bolt directly into your stock frame to convert your bike into a trike, They are a heavy duty all steel design to ensure NO FLEXING you see in some trike swingarms and are a perfect match for our axles. Compatible to use your stock pivot bolt and bearing assembly. Specify year and model. Technical Specifications Brand: DNA Specialty Product Name: Softail Swingarm Years: M SA 2001 (1984 1999) M SA 2002 (2000 2007) M SA 2003