Thule ProRide XT Upright bike carrier for the quickest, most convenient mounting for bikes up to 44 lbs. Features Automatically positions your bike when you secure it, thanks to the uniquely designed frame holder and wheel tray Quick and easy bike securing the torque limiter dial controls the force going into the bike frame with a clear sign of correct mounting Improved mounting hardware fits most factory cross bar profiles Pressure is spread via large, soft claw pads that adapt to your bikes frame tubes minimizing the risk of frame damage Safe mounting your bike is prevented from falling thanks to the claws extended lower jaw Stable wheels firmly fixed in smartly designed wheel holders with diagonal quick-release wheel straps Easy, tool-free interface for switching carrier from one side of your car to the other. Mounts to all Thule rack systems, round bars and most factory racks 2 One Key lock cylinders (sold separately) lock the bike to carrier and carrier to rack. Technical specifications Load capacity 44 lb Dimensions 58 x 13.5 x 4 in Weight 11 lb Fits round frame dimensions 22-80 mm Thru-axle compatible Carbon frame compatible Adapter/s required:Thule Carbon Frame Protector Fits roof racks with 20×20 mm T-tracks Fits roof racks with 24×30 mm T-tracks