BACK SWING Now you can rack up the bikes and still access your tailgate. The BackSwing hitch adapter turns your hitch product into an easy-to-use swing-away rack that locks up tight while you're on the road. It works seamlessly with most 50 mm (2") bike racks, like the HoldUp - as well as almost any other rack using a 50 mm (2") receiver - to let you swing your fully loaded rack out of the way so you can easily get to your coolers, gear, and Fido. PRODUCT DETAILS Hitch swing adapter converts most 50 mm (2") hitch products to a swing-away rack Provides easy tailgate access - even with a rack fully loaded with bikes Easily swings open 90 degrees and locks in place with simple to use release lever Safety latch secures the rack closed while you're on the road Integrated SKS (Same Key System) locks included for added security 113 kg (250 lbs) maximum load capacity (rack plus gear) COMPATIBILITY Secures to any 50 mm (2") hitch receiver using a threaded pin Compatible with a range of hitch mounted bike racks including Dr.Tray (without EZ+1), SingleSpeed, FourTimer, TwoTimer, HoldUp, HoldUp +2, HoldUp Evo, HoldUp Evo +2 and Hangover 4. Not compatible with bike carriers that adapt from 1.25" to 2" receivers unless otherwise listed (e.g. SingleSpeed)