Looking for a safe, quiet, and durable exercise wheel for your furry friends? Look no further than Exotic Nutrition's Silent Runner PRO Wheel. This innovative wheel is specifically designed for sugar gliders, Syrian hamsters, female rats* and similar-sized animals. The dual-ball bearing technology ensures a smooth, quiet spin, so you can enjoy peace and quiet while your pets exercise. Unlike other wheels, there's no axle, which means there's no risk of fur or tail entanglement. Plus, the textured running tracks provide excellent grip for your pets. The wheel completely disassembles for easy cleaning, making it a breeze to maintain. The open-face front plate allows safe and easy access for entry. The grid track provides optimal sanitation by helping keep the track free from urine and feces. Trust in the Silent Runner PRO Wheel for a safe spin every time.Designed for sugar gliders, Syrian hamsters, female rats* and similar-sized animalsDual-ball bearing technology ensures smooth, quiet spinNo axle, no risk of fur/tail entanglementTextured running track for excellent grip*Wheel completely disassembles for easy cleaningOpen-face front plate allows safe and easy access for entryMeasures: 12-inch wheel diameter x 3.5-inch-wide grid track. Clearance between the back of the wheel and the attachment is 1-inch-wide.Cleaning: Wipe down the wheel with Kage Kleen or a non-toxic disinfectant wipe daily if you wish. Wash thoroughly at least once per week by disassembling the wheel and cleaning with warm soapy water.Assembly: Every wheel comes assembled and will include an assembly diagram for reference. Customers can also refer to the Silent Runner assembly video on YouTube.*Note: Some pets have sensitive tails or feet prone to bumblefoot. To prevent any discomfort, you can flip the running track so that the smooth side faces inward rather than the textured side. Monitor closely to ensure your pets feet and tail are not irritated during extended use.