MAKE THE SWITCH TO STATIONARY! Mag Bike Stand Converts Any Mountain or Road Bike Into a Stable, Smooth-Riding Indoor Stationary Bicycle for All-Season Training, Conditioning, Fitness & Exercise Mag bike stand converts any mountain or road bike into a stable, smooth-riding indoor stationary bicycle for all-season training, conditioning, fitness & exercise A must-have for dedicated cyclists! SUPER QUIET MAGNETIC TECHNOLOGY High-quality flywheel mechanism creates drag against tire to replicate real cycling experience Built-in super noise reduction eliminates whir, while reduced friction extends the life of your bike