Troy-VTX-3Tier-Horizontal-Dumbbell-Rack is very sturdy heavy duty structure weighing 250 lbs. and can hold 15 pairs of the heaviest dumbbells very comfortably.
The product's manufacturer rates the maximum supported amount of weight this rack can hold as 300 pounds.
From http://www.chiefmfg.com/productdetail.aspx?ProductID=10772 ... the rack will hold a maximum weight of 175 lbs.
The maximum amount of barbells this rack can hold is 10 and it cannot be used for more than that.
The product description for this Maxicam dumbbell rack states that it will hold 6 pair or a maximum of 12 dumbbells of any standard weight, with no maximum capacity listed. This is a heavy duty rack weighing over 100 lbs.
For a 1999 Suburban (so likely also applies to 94-98 models as well) the max load on the roof rack is 200#.
This rack is designed to hold 13 pair of hex or VTX dumbbells ranging from 3 to 50 lbs.
I have a 1999 Grand Cherokee with the standard roof bars, the maximum limit recommended in the owners manual is 68Kg or 150ibs.
This weight rack will reliably hold up to 300 lbs.
This unit can hold up to 550 pounds of hold hex or pro style dumbbells.
The Maxicam Spider Rack has a maximum weight capacity of 800 pounds.
teri maa ki choot mein haati ka lowda gaand mara
The Maxicam 3005 Dumbbell Rack can hold a maximum number of 20 dumbbells.