Kuat Piston Pro 1-Bike Add On Bring your friends! The Kuat Piston Pro series of hitch racks have changed what you've come to expect from a hitch-mounted bike rack. The Piston Pro takes many of the features of the higher-end Piston Pro X, without some of the bells and whistles and without compromising durability. This One-Bike Add-On seamlessly adds capacity for one more bike to your existing Piston Pro rack, letting you easily bring another friend along for the ride. Kuat's One Tap(TM) cradle arm design makes for easy one-handed operation when loading the bikes, while Fast Ffit(TM) wheel chocks quickly adjust to any wheel size. With a user-friendly design for easy installation and a durable metal construction, the Kuat Piston Pro 1-Bike Add-On makes it easier than ever to bring more friends along for the ride. Features One bike Add-On for your existing Piston Pro hitch rack for additional rack capacity Metal construction and a robust finish for exceptional durability and longevity Easy-install, user-friendly design for quick installation of additional bike capacity Fast Fit(TM) tool-free wheel chock system to easily adjust the rack to fit different wheel sizes One Tap(TM) Piston(TM) arm design hydro-pneumatic design with easy one-handed operation SPECIFICATIONSBike Add-On Capacity1 Additional Bike Rack Compatibility Kuat Piston Pro | Kuat | Piston Pro 1 Bike Add On Sandy Black, 1 Bike Add On