The topeak mtx rear basket is a metal basket with an mtx mounting plate for secure and simple quick release mounting to mtx racks the mtx quicktrack technology is compatible for 39slide click and go39 convenience and with a simple slide and click and the bag is secure to remove a simple push of a button unlocks the system for easy removal fast easy and secure the quickclick system is the ultimate convenience topeak mtx rear basket features swing up handle large capacity topeak