The best rear air suspension system on the market is XFMT. The company makes high-quality metal parts with a nickel coating and provides complete sets with all the necessary installation and connection details. They usually include air springs for the rear wheels and a powerful air compressor, which ensures the reliability of the entire system. The advantage of this kit is that its installation does not require any special skills. In addition, it fits many Harley motorcycle models, including Legend air ride systems. Other manufacturers also offer good systems, but this manufacturer creates an optimal suspension in terms of quantity, quality of parts and price.