Gym day passes at Crunch

I usually keep in shape by biking, walking, and running, so a typical gym membership doesn't make sense (I wouldn't use it 8 months out of the year--I hate treadmills)...Anyway, the weather has kept me in for too long...

Does anyone know if any gyms in the north slope have day passes available or some sort of package where there is no initiation or monthly commitment and how much they cost? The Crunch on Flatbush is closest, but I'd consider others as well...I just need to get through the next 3-5 weeks...