Thule WanderWay 4th Bike Adapter for VW Transporter. Camping, Mountain Bikes
"Thule WanderWay 4th bike adapter - Aluminium. Increase the capacity of a Thule WanderWay cycle carrier by one bike. Enables an extra bike to be added to a Thule WanderWay bike carrier. Thule model number: 911700.