Thule T2 Classic Bike Rack Add on Hitch switch lever folds carrier vertically when Not in use and tilts carrier away from vehicle for rear of vehicle access Frame free ratcheting arm secures bikes quickly without frame contact Fully adjustable bike mounts eliminates bike to bike interference Fits 20 - 29" wheels and up to 5" tires without adapters; ideal for Carbon frames, mountain, Downhill, and fat bikes