BUCATSTATE Hamster Wheel for Different Hamsters-Running Wheel inner Dia is 21cm/8.2" and the Width of the runway is 8cm/3.1". Which base size is 22 x 14cm/8.7" x 5.5", total weight 688g/1.5lbs. Super Silent Hamster Exercise Wheel- designed with dual ball bearings to ensure the wheel glides smooth and silent.
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