EverStrongSF
Be Ever Strong with the most effective, private workout available
Email info@everstrongsf.com or call (415) 658-7572.
CAROL
The CAROL Bike WILL TAKE YOU BEYOND WHAT YOU THINK YOU CAN DO... BECAUSE EVERYONE IS CAPABLE OF MORE.
Supramaximal is defined as going above usually considered maximum limits. Using your biometrics and performance data, CAROL’s algorithms instantly create and apply personalized resistance to achieve supramaximal power - in every ride. No plateaus here!
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One size does not fit all. CAROL’s secret sauce lies in her personalized resistance, when she applies it and how fast you fatigue.
GET FIT IN 40 SECONDS, NOT 45 MINUTES
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CAROL CUTS YOUR EXERCISE TIME DOWN DRAMATICALLY
CAROL is clinically proven to give you the same cardio benefits of a 45-minute jog in under 9 minutes, with only 40 seconds of hard work.
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A PERSONALIZED HIGH INTENSITY INTERVAL TRAINING (HIIT) BIKE
CAROL’s algorithms personalize your resistance to guarantee you hit max power every session in order to deplete your sugar stores. No other HIIT workout or fitness class comes close.
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GROUNDED IN SCIENCE
In alignment with EverStrongSF's core value of offering only evidence-based services, CAROL has been clinically proven to fight obesity, diabetes, and heart disease. CAROL is an interactive exercise bike based on 20 years of peer-reviewed university research.


Does it really work?
Dr. Cedric Bryant, Chief Science Officer and President of the American Council on Exercise (ACE) tested CAROL in a randomized, controlled independent trial against longer duration, government exercise guidelines. CAROL outperformed on all 11 health markers.
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“As an Olympic gold medalist and a runner, the absolute worst for me is the dreaded ”BIKE”. I have come across just about every training modality. None are as effective as CAROL. “
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- Mark McKoy, Olympic Gold Medalist
Want to try it out?
Current members can just ride after a strength workout.