The Topeak Spare Trailer Yoke With Slidelock QR Attachment is a replacement yoke with Slidelock QR system and axle for the standard Topeak Journey Trailer. Topeak is a world leader in developing and producing innovative accessories designed to make cycling more convenient, more accessible and more fun at every level. They are cyclists at the core and create the finest quality tools, pumps, racks, bags, lights and other products guaranteed to enhance the cycling experience.