Still offered as of last week. You do need to sign up in advance (by the time of the opening raffle, there was just one spot left on the sheet). That said, I was the first waitlist spot and was able to participate the next day as only five of the 10 reserves were there. Classes were in the afternoon, I'm thinking around 4. We just went to one.
I will say it wasn't the best class mainly since I couldn't hear the instructor (he used no mic and the music was right over my head) or see him well (not the best arrangement of the bikes). The gal over Christmas was much better (she went over the moves before class, used hand signals to cue, arranged the bikes differently, and really made sure everyone's settings were correct). I taught group fitness classes for 11 years before "retiring" last fall, so I'm a picky audience. But I got a workout in and didn't have to pay extra.