Bison Semi-Vertical Bike Rack (4-6 Bikes) – Spearhead
Chuck Rack 4-Bike Rack – The Chuck Bucket
Hitch Bike Racks – VelociRAX
Cycle Carriers Bike Carriers Racks
Yakima HangOver hitch receiver bike rack (4 bikes) 8002484.
GUDE 4 Bike Rack Hitch Mount Rack, Heavy Duty Alloy Steel Bicycle Carrier with 2'' Hitch Receiver, Double Folding Arms Bicycle Carrier for Car SUV Truck, Black : Amazon.co.uk: Automotive
Thule WanderWay 911 Cycle Rack for 4 x Bikes
THULE VeloCompact 4 Bike Cycle Carrier 13 pin (927 + 4th Bike Adaptor)
Hollywood Racks Destination 4 Bike Rack | U-Haul
Thule 939 VeloSpace XT 4 Bike Cycle Carrier Rack TowBar Mount | Inc 4th Adapter | eBay
Bike Rack (Tow Bar Mounted) 4 Bike Carrier - Clearcut Conversions
4-Bikes bike rack - Futura GP
Atera STRADA DL 3 to 4 bike carrier (UK lights) no. AR2603.
Steinhof Veturo 4 silver tow bar mounted bike rack (wheel support) - 4
Buzzrack Buzzybee Bike Rack For 4 Bikes, Black | Bikeinn
Volvo Towbar Mount Bike Rack 3-4 Bicycles Fix4Bike