Best Retail/ Wholesale fitness equipment remanufacturer. Remanufactured high-quality strength and cardiovascular fitness equipment is great for residential use as well as for commercial fitness gyms all around the world. At Rebirth Fitness we strive to reduce our carbon footprint and keep the world green. Our remanufacturing process helps keep our world a little greener, especially compared to the processes involved with making new equipment. Purchasing remanufactured fitness equipment doesn't just save you money; it helps save our world.