Quick view Sale Rhino-Rack Rhino-Rack Roller for Vortex Aero Load Bar - 27 Inch - Single $105.00 $94.50 The Vortex 27 inch roller is designed to make loading and unloading a ladder or timber easy. It comes with mounting brackets to attach to a Vortex bar. Made from Alloy and supplied with a plastic cover sleeve. Add to Cart