My wife's WSD Trek Pilot. It's arelaxed geometry with a more upright postition than a traditional mens frame. Taller headtube,

It isn't a step tru lady's frame style. However it does have a sloping top tube (angles down towards teh saddle. It's a little more sloping than mymens model of a sloping tube. She really likes the bike as it is comfortable as far as standover, more space in THE REGION!

I don't think lady's has anything to do with the strength. Matter of fact, I would think it would offer a bit more stiffness and strngth as the tubes are sloping resulting in a tighter diamond frame. But some argue about compact/sloping frames compared to traditional frames.

My guess is it would be just as strong. But at 275 the wheels will be an issue, but that's on any stock bike.