This add-on to the Thule T2 Pro XTR platform hitch rack allows for an expanded total 4 bike capacity. Lock bikes to the rack with the integrated cable lock. Eliminate bike interference by adjusting side to side to create generous spacing between bike mounts. Secure bikes quickly without frame contact with the frame-free ratcheting arm. Ideal for carbon frames, mountain, downhill, ebikes and fat bikes as it fits 20 - 29” wheels and up to 5” tires without adapters. For 2'' Hitch Receiver Only. Only compatible on vehicles with Thule T2 Pro XTR 2'' Hitch Bike Rack already installed. Pick-up in store ONLY.