Product Description: Kuat Pivot 2.0 Swing Away Extension Bike Rack. Smoothly swing up to a 4-bike rack to the side for clear access to tailgates, rear doors, and hatchbacks. And when its time to load up, the tightening mechanism makes sure your rack only moves when you want it to. Features: A quick release 90 and 120 degree swing away Driver or Passenger side swing Our patented Flat Lock hitch cam makes sure your rack only moves when you want it to. Oversized stainless steel and aluminum thru-axle Locking hitch pin included Pivot requires a Class III hitch receiver NOT RV compatible You should not attach a vertical or hanging style bicycle rack to a hitch extender or swing arm.