In addition to stationary bikes, treadmills and ellipticals, basic fitness equipment like dumbbells can help you build strength and muscle. Plus, dumbbells are extremely versatile since you can ...

The low price of $169 gets you two FitRx adjustable dumbbells. Each dumbbell is adjustable from 5 pounds to 50 pounds, and the weight can be adjusted across 15 increments (5, 7.5, 10, 12.5 ...