The Thule Carbon Frame Protector is an adapter to enable the safe transport of bikes with carbon frames. The Thule Carbon Frame Protector uses fixation pressure that is distributed over a large surface area to minimize the risk of frame damages.Thule Carbon Frame Protector FeaturesFits all types of frame geometries and is easily adjustable with no loose partsThe adapter has a soft TPE rubber liner to avoid scratching the bike frameOnly to be used with Thule bike carriers with a torque limiter knob (e.g. Thule ProRide, Thule EasyFold, Thule EuroClassic G6, and bike carriers with the Thule AcuTight Knob 528 accessory)