Not sure about weight limits but on my hope/open pro set Hope were kind enough to replace the aluminium alloy free hub body twice FOC due to severe cassette gouging (using ultegra 6700 cassette setup with anti-seize and fitted with torque wrench).
The front wheel developed clicking from crossed spokes rubbing, its been repeatedly tensioned, trued and oiled but clicking soon comes back…rear hub has had number of bearings replaced in 2 years of ownership despite regular maintenance.
Third time of gouging its been replaced with steel body, also FOC, but it added so much weight the wheels have been relegated to my commuter and I bought a set of 2014 fulcrum racing 5 for £170 for my road bike which weigh in lighter than original set of hopes, yet have steel body as standard.
I’ve used hope hubs for years on MTBs, but cannot deny the issues I have experienced have put me off their road wheels, despite their supportive customer service dept.