Roll-N-Lock XT Or Revolver X4s Which is better?

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Revolver X4s Bed Cover: imp.i128439.ne...
Gator Retriever Tool: imp.i128439.ne...
Roll-N-Lock XT Bed Cover: imp.i128439.ne...
Rhino Rack Caps and 71" Bars imp.i128439.ne...
Rhino-Rack Hybrid Bike Carrier: imp.i128439.ne...
Rhino-Rack Roof Mount Cargo Basket: imp.i128439.ne...
Here are my exact part numbers for reference:
RNL-223A-XT - Roll-N-Lock A-Series XT
RHR-RLT600 - QUICK MOUNT LEG SET 4PCS
RHR-VA180B - VORTEX AERO BAR 1800MM BLACK
RHR-RBC050 - HYBRID UPRIGHT BIKE CARRIER
RHR-RMCB02 - RHINO X TRAY LARGE