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Get Fitter

Improve your cardio by 12% in just 8 weeks.

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Live Younger

Improving your VO2max by 12% is like turning your body clock back 10 years.

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Live Healthier

Reduce your risk of type 2 diabetes by 62%—and blood pressure by 5%.

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Next-level HIIT

Reduced Exertion HIIT (REHIT) is the most effective cardio workout ever.

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Maximum Metabolism

You’ll burn more calories on a 15-minute CAROL ride, than a 30-minute run.

2 min read