The Rixen & Kaul CS801 Extended Saddle Fitting is a versatile attachment that allows you to mount accessories to your bike's saddle rails. With its sturdy construction and easy installation, this fitting provides a secure and stable platform for carrying small bags, tools, or other items. The CS801 is designed to work with a wide range of saddles, and it can be adjusted to fit different rail widths and angles. The attachment point is located at the back of the saddle, and it features a quick-release mechanism for easy on/off.