Exotic Nutrition's Silent Runner Wheel 12'' Regular Is The Most Innovative Wheel On The Market For Its Safety Features And Whisper-Silent Spin. The Axle-Free Construction Eliminates The Dangerous Center Axle That Many Wheels Have, Reducing The Risk Of Fur/Tail Entanglement, Pet Wrap-A-Round, Curvature Of The Spine, And Other Spine Injuries.

The Wheel Spins Using Dual-Ball Bearing Technology, Stainless Steel Ball Bearings Ensure The Wheel Glides Smooth And Quiet, Unlike Many Of The Annoying Squeaky Wheels On The Market. The Stand Allows For Give, Protecting Your Pet From Joint Pain Caused By Running On A Hard, Fixed Surface.

Running Tracks Are Textured, For Excellent Grip. Wheel Completely Dissembles For Easy Cleaning, No Nooks For Feces To Hide In. Designed With A Front Plate For Safety And Containment, With Natural Bean-Shaped Openings. Features Pet-Preferred Solid Black Walls.

You'll Love This Wheel's Silence, Safety, And Durability, It Is Truly Built To Last! Simply Search ''Silent Runner Wheel'' On Youtube To Witness The Smooth, Silent Spin For Yourself! Approximate Size: 12'' Wheel Diameter, 3.5'' Wide Track, 4'' Diameter Openings. *Please Measure Cage Carefully Before Ordering* Ideal For: Sugar Gliders, Female Rats, Hamsters (Robo, Syrian, Teddy Bear, Dwarf, Etc.), Mice, And Other Similar Small Animals (Not Suggested For Chewing Animals).

Accessories: Cage Attachment, Sandy Trimmer Track, Autoclean Track. All Sold Separately. Assembly Instructions And Maintenance Instructions On Manufacturer's Website (Exotic Nutrition) Along With On Youtube Called ''Silent Runner Wheel Assembly''.