Exotic Nutrition's Silent Runner Wheel 12" Wide is the most innovative wheel on the market for its safety features and whisper-silent spin. The axle-free construction eliminates a dangerous center axle, reducing the risk of fur/tail entanglement, pet wrap-a-round, curvature of the spine, and other injuries. The wheel spins using dual-ball bearing technology, ensuring it glides smooth and quiet. You'll love this wheel's silence, safety, and durability, truly built to last.
Measurements: 12" wheel diameter, 4" wide track, 4" diameter openings, 13" tall on stand, 5" wide on stand.
IDEAL FOR: Hedgehogs, male Rats, Chinchillas (non-chewers), cages with multiple Sugar Gliders, and other small animals (not suggested for chewing animals).