What Our Gearhead(R) Experts Are Saying: "I added the Pivot Pro Add On to my existing QuietKat rack and it made transporting a second e-bike totally seamless. It attaches in minutes, feels super secure, and doesn't touch the bike frame-huge bonus for keeping my setup scratch-free." We don't always travel light, especially when adventure calls for riding deep into the backcountry. That's why the Pivot Pro Add On from Blackburn is a game-changer for those of us already rolling with the QuietKat Pivot Pro Hitch Rack. When we need to bring another bike-electric or traditional-it locks in fast and travels rock-solid. Crafted from a mix of durable aluminum and steel, this add-on tray confidently holds bikes with wheel sizes from 16 to 29 inches and up to 100 pounds. Its pivoting arms clamp tires securely without making contact with the frame, which means our bikes arrive unscathed and ready to ride.