VERTEX. (2 BIKE CARRIER). 9028XT. (4 BIKE CARRIER). 9029XT. - Fold down stinger and install flathead bolts (STEP 1). - Install in receiver and bolt with. Trailer Hitch Mount Bike Carrier - 4 Bikes (Thule Vertex 9029) Not intended for tandems or recumbents; Do not install on a trailer or other towed The Thule 9029XT Vertex 4-bike, with its unique arc design, makes loading and unloading easier, provides better ground clearance and gives you greater space Apex XT (2 Bike Carrier) 9024XT / (4 Bike. Carrier) 9025XT / (5 Bike other instructions given, in writing or verbally, by Thule or a Thule dealer. Ski & Ride Psst… Looking for a bike rack? Testing a new bike trail? We can help you. Overall, I'm relatively happy with this bike carrier. Installation was simple and was able to fit all our bikes on the rack though, depending on the bikeNeed instructions or a spare part for your Thule product? Use our product finder to find Thule original spare parts, instructions, and fit kits. Thule 9029 Quick Start Manual (9 pages). VERTEX (2 BIKE CARRIER) VERTEX (4 BIKE CARRIER). Brand: Thule | Category: Automobile Accessories | Size: 2.41 MB.