Kuat Piston Pro Add on Bike Hitch Rack

Kuat Piston Pro Add on Bike Rack When you're ready to double up the excitement, effortlessly add up to two extra riders using our 1-Bike or 2-Bike Add-Ons. The user-friendly modular design makes attaching the additional trays a no-brainer. THE PISTON® Pro Add-Ons, taking you AND your crew to the adventure. All metal construction OneTap™ hydro-pneumatic tire arms No frame contact Patented FastFit™ tool-free wheel chock system 1-Bike Add-On increases 2” Piston Pro carrying capacity to 3 bicycles weighing up to 50 pounds each 2-Bike Add-On increases 2” Piston Pro  arrying capacity to 4 bicycles weighing up to 40 pounds each