4 Bike Hitch Mast CarrierProrack 4 Bike Hitch Mast Carrier Transport up to four bikes with ease using the Prorack 4 Bike Hitch Mast Carrier (PR3304). Designed for families and cycling groups, this sturdy carrier fits both 32 mm and 50 mm tow hitches, making it a versatile and reliable solution for your next adventure. Available now at Mackay Cycles. Key Features Capacity: Securely carries up to 4 bikes Compatible with 32 mm and 50 mm tow hitches Convenient tilt away design