Thule ProRide 598 Locking Upright Cycle Carrier AluminiumThe quickest and most convenient cycle roof carrier on the market Revised clamp with extended lower jaw holds your bike in place whilst you secure the wheel straps and tighten everything up Integrated torque limited dial prevents over tightening on lightweight carbon frames whilst ensuring that clamp is still secure Deep and flexible padding integrated into the 598's jaws adapts to the shape of your frame giving a more secure hold whilst minimising