Reasonable Size of Hamster Wheel Drum: 11.6-inch Diameter drum wheel w/ 3.7-inch track wide is recommended for Syrian hamsters, gerbil, and other similar-sized pets, fits for them when run without bending their backs. We designed 3 sizes with different diameters to provide a back-friendly running experience to the hamsters of various species and sizes, please choose the right one for your pets
Silent Spin Hamster Exercise Wheel – We designed to use dual ball bearing to keep it on spinning smoothly with a very low noise level (around 40dB), brings a quiet night for you even if your little friends working out on the hamster exercise wheel in the nighttime
Pet-Safe Material & Sturdy & Gnawing-resistant – The cork running track is continuous to prevent cracks or tripping. The soft surface of the cork track provides a paw-friendly experience when running. Made from Oak & Poplar wood, which are durable and gnawing-resistant as well

✔ SAFE – The axle-free design eliminates a dangerous center bar, reducing the risk of fur/tail entanglement, pet wrap-a-round, curvature of the spine, and other injuries.
✔ SILENT – Innovative dual ball-bearings create a whisper-silent spin. Two stainless steel ball-bearings are within the back plate of the wheel, ensuring the wheel glides smooth and silent. The bearings SPIN around the bolt as your pet runs, unlike annoying squeaky wheels on the market that have a center axle that creates friction and noise.
✔ SANITARY – Wheel completely disassembles for deep cleaning, no nooks for feces to hide in.

❤ The hamster wheel brings endless running happiness to your hamster.
❤ Hamster exercise wheel is quiet, sturdy, and easy to run on. Even if your hamster runs on the race track, it can bring you a quiet night.
❤ ANTI-SLIP – With radial stripes design, increase friction and avoid your hamster slip and fall, also provide a good run-up.