SeaSucker Mini Bomber 2-Bike Rack

No hitch, no roof rack, no permanent installation — just suction cups that grip any smooth surface with 210 lbs of pull strength per cup. Carries two bikes fork-mount style at 45 lbs each, carbon-frame-safe, and the whole system weighs 12 lbs. The trade-offs are real: no security locks, front wheel removal required, and you need to trust vacuum physics. I recommend this to rental car travelers and sports car owners who have zero other mounting options.