Details:
13-17cm in diameter, suitable for dwarf hamsters and bears,
20-22cm in diameter, suitable for squirrels, golden squirrels and devil
Diameter above 26cm, suitable for chinchillas, etc. It runs very smoothly
Stand height:
The height of the stand of 13cm is 12.8cm, and the height of the stand of 15cm is 13cm
The height of the 17cm bracket is 14.5cm, the height of the 20cm bracket is 15.5cm, and the height of the 22cm bracket is 17cm.