Feature

Double Down Ace 4 carries up to 4 bikes and is compatible with 2" and 11/4" (class 1, 2 or 3) hitch receivers right out of the box
Tube Top Crossbar Adapter is ideal for bikes with funky top tubes that don't mount properly on rack (women's frames and dual-suspension)
ArmLock integrated cable lock secures outside bike to the mount and stows in the arm of the rack when not in use
Brand : Yakima
Item model num : 8002451-bundle
MPN(PartNumber) : 8002451