The Pioneer Rotopax fit kit allows you to mount your Rotopax onto the range of Rhino-Rack Pioneer systems. Depending on which Rotopax you have you’ll need to use the Rotopax mounts RX-PM / RX-DLX-PM / RX-LOX-PM which can be found on the Rotopax website The Pioneer Rotopax fit kit allows you to mount your Rotopax onto the range of Rhino-Rack Pioneer systems