Thule 990 Doubletrack 2 Bike Hitch Carrier Foldable center mast's ratchet hooks move independently to grab, hold and stabilize each bike, (2" & 1.25" receiver) Reinforced wheel trays slide independently along platforms Hitch adaptor accommodates 1.25" or 2" receiver with one product Ratcheting wheel strap quickly secures bike to tray Locks not included Carries up to 2 bikes