A hamster’s natural instinct is to run daily and so a wheel is the ideal addition to any hamster’s cage. The wire hamster training wheel can stand alone or be clipped onto the hamster cage. Hamster wheels can help keep your hamster fit and healthy. The wheel is made from wire, ensuring it won’t get damaged if the hamster chews it. Tip: To ensure that your wheel is big enough for your hamster, their back must not be arched when they run. Size: Small Product Code: TWS Dimension: Ø 13 cm Barcode: 5415341002210 Size: Medium Product Code: TWM Dimension: Ø 18 cm Barcode: 5415341002227 Size: X-Large Product Code: TWXL Dimension: Ø 27 cm Barcode: 5415341006386