The GIVI PLO8209MK is a specific pannier holder designed for MONOKEY side cases, featuring the PL ONE-FIT configuration. With an 18mm diameter, this sturdy and reliable pannier holder ensures a secure and stable mount for your MONOKEY side cases. For added versatility, it can be combined with the 14RKIT, allowing you to transform it into a Rapid Release pannier holder. This transformation enables quick and easy removal of the side cases, providing convenience for riders who need to switch between using the racks and going without them.