SoulCycle files for a $100 million IPO

• The chain started as a 31-bike studio on Manhattan's Upper West Side in 2006. 
• It's since grown to 38 studios in seven cities, and hopes to add up to 250 locations across the United States. 
• SoulCycle's revenue increased from $75 million in 2013 to $112 million, and net income increased from $18 million to $25 million over the same  period.
• Attendees can burn up to 700 calories per spin class,
• ‪As exercise routines serve more roles in people’s lives—stress relief, psychotherapy, social outlet, even personal identity—the expense of boutiques becomes easier to justify, their devotees say.