Strida UK used to claim that the weight limit of Strida is 250lbs (110kg).
http://web.archive.org/web/20071219013345/www.strida.co.uk/faqs/index.php?SubCatID=0&ShowFAQID=202
http://web.archive.org/web/20071219013345/strida.co.uk/bike/specifications.php
And the old technical specs of Strida 5.0 also claim that the weight limit is 250lbs (110kg).
However, Ming Cycle has become more conservative on the weight limits of different models of Strida recently. 
http://www.strida.com/en/products/?method=listing&sid=1
Nevertheless, the local distributor here in Hong Kong still claims that the weight limit of Strida 3 & 5 is 110kg. 
http://www.strida.hk/about_spec.html
Yes, I weigh 250lbs and own 2 Stridas: 
[url]Photos of my Strida 3.2 which I bought last night]
[url]New stickers and accessories on my Strida]
[url]My Strida SD (Sport Duo)]