evo.com | Kuat Rear-Mount Bike Racks > When your bikes are loaded in the Kuat Piston Pro 2-Bike Rack, there's nothing to worry about. Metal arms cradle your carbon fiber babies (by the tires, of course - no scratching here!) letting you know that everything's going to be okay. Constructed to constrict, the arms on this rack offer bike security like no other: even if you're transporting heavy ebikes, there's no wiggling or jiggling as you fly down the road in search of that brown pow. Bomber racks built to last, Kuat products are on par with your two wheeled investments. Flatlock(TM) Hitch Cam The patent-pending Flatlock(TM) hitch cam keeps things stable and its tamper-resistant head keeps it secure. Plus, we've added a stainless steel hitch lock for double security and additional peace of mind. 53" Max Wheelbase and 5" Max Tire Width 2" Reciever 99% Metal Construction No-Tool Install w/ Hand Tight Hitch Cam System | Kuat Piston Pro 2-Bike Rack 2025 - 2 in Black