Silent Runner Wheel - 9" Regular - Exercise Wheel (Yellow)Brand: Exotic Nutrition Color: Yellow Features: SILENT Innovative dual ball bearings create a whisper silent spin. IDEAL FOR Hamsters (Teddy Bear, smaller Syrians, larger Dwarfs Robos, etc.), Gerbils, Mice, and other similar small animals (not suggested for chewers) VERSATILE The creative design of interlocking parts allows the wheel to be fully dissembled for deep cleaning, and for accessory parts to be swapped in. SECURE Closed off design with front