Thule BackSpace XT 4th Bike Arm Boot Mounted Bike Racks Fits WingBar Edge: Yes

Fits WingBar Edge: Yes

Straps included

then you'll already know how much of a hassle it can be to keep track of all your different keys

Fits SlideBar: No

and bow and stern lines for further load security during transportation

Thule BackSpace XT 4th Bike Arm Boot Mounted Bike Racks Fits WingBar Edge: YesThis arm is used in conjunction with the Backspace XT and a Velospace XT 3 tow bar mounted cycle carrier and Velospace XT 4th bike adapter, allowing you to mount a 4th bike. The Velospace XT 4th bike adapter is required and sold separately, this includes an arm for attaching the 4th bike to the Third bike, however with the Backspace in place the 3rd bike does not exist. This arm solves this issue and allows you to attach the Bike directly to the cycle