RBY600 Rumble Bar YELLOW 600MMSpeed Humps Australia's 600MM Yellow Rubber Rumble Bar is the best way to make a lot of places safer and more organised. With 600mm in length, 50mm in height, and 170mm in width, our Rumble Bar is specifically designed to provide clear delineation and guidance on the road. Featuring eight reflectors strategically placed for maximum visibility, our Yellow Rubber Rumble Bar ensures excellent visibility, especially in low light conditions or adverse