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CAROL Bike gives you double the health and fitness benefits in 90% less time.
Meet CAROL Bike: the science-backed, AI-personalized workout that delivers double the results in 90% less time. With just 2×20-second sprints, you’ll unlock powerful fitness gains—no matter your age or fitness level. It’s the shortest, most effective workout you’ll ever do—and the easiest habit to stick with. Get yours today.