THULE - 4th Bike Arm for VeloSpace XT 3-Bike BackSpace (939200) *NEW & IN STOCK*
For use together with Thule VeloSpace XT Bike Adapter. Fits Thule VeloSpace XT 3 bike rack. Thule BackSpace XT 4th Bike Arm. Enables transport of one bike in addition to your Thule BackSpace XT cargo box.