The Hi-Lo Pro takes our Hi-Lo to the next level. We have added our proprietary Flat-lock hitch cam that ensures a zero-wobble user experience. We have also included our fully redesigned hitch lock. Hi-Lo Pro is a 2” hitch extension (works with 2” hitch receivers) with a 250 lb. weight limit Provides 2" of drop or 2" of rise to the vehicle receiver Provides 10” of Hitch Extension Matte Black with black water transfer logos Patent Pending Approved for use with the NV 2.0 (including NV 2.0 Add-On), Base 2.0 (including NV Base 2.0 Add-on) Sherpa 2.0, Transfer family, and the original NV 2” 2-bike only