Revolutionary Wheel. The Exercise Wheel With Stand Has A Wide Running Surface And Is Very Silent. Thanks To The Half-Closed Design Of The Wheel It Is Much Safer For Small Animals. The Risk Of Accidents Such As Broken Legs, Tail Or Neck Is Reduced To A Minimum. The Exercise Wheel With Stand Can Stand In The The Cage, Or Hang On The Side Of The Cage. Recommended For Hamsters And Rats.