Just wondering if anyone has been considering opting for this after-market hitch. I currently have a Kuat NV 2.0 4-bike rack, and have 2 specialized turbo levo's & SL, which combined weigh approximately 90lbs. With the rack weighing approximately 90lbs and 2 additional bikes for the kiddos at around 40 lbs, we're clearing over the 120lb vertical tongue limit on the stock hitch at approx. 230lbs. This aftermarket hitch from Draw-Tite is rated class III and has a higher 'tongue' weight limit, but the website doesn't specify what the vertical limit is. Any thoughts/inputs would be greatly appreciated!