SoulCycle's Bike Is Not the Best, but It's a Wild Ride

If you've dabbled in group fitness classes, at least one friend has likely tried to talk you into plunking down $34 for a SoulCycle ride. And even if you haven't, you've probably heard of its cultish fanbase who pedal in club-like, candlelit studios, led by buoyant instructors spouting nonsensical aphorisms that...