Is there a weight system using your own body weight?

u can always go give it a free visit and they will answer all your worries and curiosities before deciding to get a membership

I think what you are referring to is equipment that uses resistance bands. No, there aren't any of those. But there are a lot of machines that use pulleys. And an assisted pull-up/dip machine. The closest you will get to resistance bands is the elastic bands that they have that you can tie on to pull up bars etc. For cardio there is a resistance type step machine. Hope this helps.

I think the pull up/dip machine does