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If you want to revamp your home fitness program before 2025 and don't want to spend hours training every day, let us introduce you to the CAROL Bike. The science-backed and AI-powered fitness bike is designed to help you achieve maximum results in the shortest amount of time – and by shortest time, we mean just five minutes. According to the brand, the CAROL bike is “proven to provide twice the health and fitness benefits in 90 percent less time compared to regular cardio.”

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Not only does this save a lot of time, but the CAROL Bike is designed to be customizable to the rider's individual fitness levels, goals and preferences, making workouts easy to follow, time efficient and highly effective. CAROL's AI and Reduced Exertion HIIT (REHIT) technology optimizes training according to your abilities and fitness level, making every second count. Personalized, optimal resistance levels are automatically adjusted throughout your workout – at exactly 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 in how they exercise,” says 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