HOLDUP + 2 This handy add-on doubles your HoldUp 2 bike hitch carrier's capacity from 2 to 4 bikes - perfect for quadruplets on a family outing. Specification 22.23 kg L 143.5 cm x W 162.6 cm x H 30.5 cm 2 Bike Capacity MAX. weight 22.7 kg per bike (with 4 bikes) Features Expands your bike-hauling capacity from 2 to 4 bikes StrongArm design secures bike at wheels, protecting paint and carbon frames Load your bike in seconds whether it's a 20" wheel or a 29er Max. tyre width for wheels less than 29" diameter is 3" Max. tyre width for 29" wheels is 2.4", for larger 29 tyre width see HoldUp EVO +2 Accommodates disc brakes, through axles, and full suspension bikes Tilts down with bikes loaded for rear-of-vehicle access Side-to-side adjustability to adjust space between bikes Carries 2 bikes 4 bikes, 91 kg total, with the HoldUp Installation Hitch rack fit tips. Getting the perfect fit. Some Assembly Required 25 Minute Install 2 Hitch Receiver Required with HoldUp Installation Instructions