I have been using this mini cycle for almost one month, every day, and I love it, love is nothing, I adore it, it is wonderful, I have had no problems with it. I do use it on carpet floor and it does not slide or move at all, I don't know how it is on bare floor though. I love it so much that I am buying two more, another for me, just in case this one gives out some day and one for my mom. I have already started to lose some weight, and the price, you just can't beat it. I love this mini cycle. And I have had no problem raising or lowering resistance. I recomend it very highly, but I mean very, very, very, highly.