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If you want to revamp your home fitness program before 2025 and don’t have hours to train every day, let us introduce you to the CAROL Bike. The science-backed and AI-powered fitness bike is designed to give you maximum results in the shortest time possible – and by the shortest possible time we mean just five minutes. In fact, according to the brand, the CAROL bike has been proven to “provide double the health and fitness benefits in 90 percent less time compared to regular cardio.”

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Not only is it a huge time saver, but the CAROL Bike is also designed to be personalized based on the rider’s individual fitness levels, goals and preferences, making the workouts easy to follow, time-saving and super effective. CAROL’s AI and Reduced Exertion HIIT (REHIT) technology optimizes training based on your capabilities and fitness level, so every second counts. The personalized, optimal resistance levels automatically adjust as you exercise, at just the right time, making the most efficient workouts easy to follow. “CAROL Bike is designed to maximize training efficiency, with the shortest, most effective workouts, backed by science. And new rider-inspired features that give riders more flexibility to train their way,” said Ulrich Dempfle, CEO and co-founder of CAROL. You can try the CAROL Bike risk-free for 100 days, and the brand offers free shipping (7-10 business days) in the US.