SWERVE is an indoor cycling studio that uses teamwork and tech to create the best cardio workout.  Class is a 45-minute rhythm ride and the bikes are arranged into three teams (red, green, and blue), so you're always supported and never singled out. Tackle hills, sprints, and even upper body exercises in a specially-designed and clinically-proven High-Intensity Interval Training (HIIT) workout that's great for all levels. 

They have 3 great locations:

Midtown - 21 West 46th Street (b/t 5th and 6th Avenues)

Flatiron - 30 West 18th Street (b/t 5th and 6th Avenues)

UES - 1140 Third Avenue (at 67th St)

https://www.swervefitness.com/