cost of barbell
1 For around $110, lifters get three times as many dumbbells with a set of 20 uncovered cast iron weights ranging from 1 to 10 pounds.  Full barbell sets, including discs, bars and some times the racks, range from $1,400 to $2,000. MegaFitness sells a set of 10 Dura-Bar fixed weights with curled bars ranging from 20 to 110 pounds for $1,630. At Iron Company.com, you can build your own barbell set.