Need a bit more carrying capacity with the NV 2.0? Look no further than the NV 2.0 +2 Bike Add-on. Featuring the same refined ratchet arms and adjustable cradles as the base NV, it's up to the job when just a bit more room is needed. FEATURES: Requires 2” NV 2.0, not compatible with 1-1/4" receiver models Fits wheelbase up to 50” Compatible with bikes up to 40lbs each. Rack add-ons decrease the max weight for each bike Integrated cable locks Only compatible with NV 2.0