Thule HangOn - an easy to use bike carrier for 3 bikes. 

Features a Super Strong coupling that needs no pre-adjustment for fixing.
Soft, protective frame holders keep the bikes in place
Carrier lockable on tow bar with optional Thule Lock 957
Folds flat for easy storage and handling 

Fits all common NZ towballs:
1⅞” (except gooseneck / euro style 47mm), 2” and 50mm towballs

• Load capacity: 3 Bikes
• Load capacity: 45kg total
• Fits all wheel dimensions
• Max bike weight: 15kg per bike
• Width (cm) 47 cm
• Carrier Weight: 7.2kg
• Fits most frame dimensions down to 20” junior bikes.