KUAT NV BASE 2. 0 ADD-ON RACKADDING ONThere are times when you and your buddy want to go for a ride on the trails, and then there are times when your entire family wants to go for a ride. If you have more than two people going, but only have a 2-bike hitch rack, you can easily add on another rack. The Kuat NV Base 2. 0 Add-On Rack is designed to add on to the Kuat NV 2. 0 and Base 2. 0 with a 2" hitch. It is available in either a 2-bike version and a 1-bike version. Features Holds wheelbases up to 50" and tires as large as 5"Compatible with 2" NV 2. 0 or NV 2. 0 Base The 3-bike rack is compatible with up to 50lbs each and 4-bike up to 40lbs each | Kuat | Nv Base 2. 0 Add-On Rack | Matte Black | 2 Bike Add-On