Treadmill Metal Wheel 11" Black.

Exotic Nutrition's Treadmill Wheel is the highest quality exercise wheel for chewing animals like chinchillas, prairie dogs, degus, squirrels, and rats. This wheel is entirely chew-proof and finished with a non-toxic powder coat. This wheel runs on ball bearings that makes it's spin virtually silent. The saucer shape prevents spinal injuries caused from stand-up wheels.