Because they always seem oddly pissed when you bring your Bowflex into Mansion, head to Flywheel, an offshoot of the NYC spin-spot that's a fitness club in more senses than most thanks to a darkened amphitheater with a spotlit instructor, 45 bikes, giant screens displaying every single pedal pushed, and heart-rate-jacking tunes from "an internationally renowned DJ", so clearly not Mbenga.