I wanted to give this place a 4.5, but I'm going to have to settle for a 4. I LOVE spin classes, especially Soul Cycle. Sadly, Pittsburgh has yet to be graced with a studio... but hopefully one day :) Steel Revolution uses the same method of spinning which is spinning to the rhythm of the music. It was a great workout if you know how to push yourself, but the intensity coming from the instructor was almost non existent. I almost felt bored at times because she just wasn't energetic or hyped. What really put me off was that she kept drinking a smoothie/milk shake looking drink throughout the ride. I have NEVER seen anything like that in any workout class so it was very strange.
Pittsburgh really lacks solid fitness studios which is why I'm giving this place 4 stars. It's great for what it is, but you threw spin classes from all over the country into the mix, this would be a 3.
I'd definitely go back, though :)