Baxley makes a good unit. Thule has a 6 1/2 x10 enclosed V-nose aluminum that only weighs 1150 lbs. Your Trailblazer should be able to handle that if you want enclosed. They are pricey($4000,00+) but are quality. I have one and am completly satisfied.
2008 Titanium,1999 Valkyrie Tourer
2005 Bushtec Quantum GL
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