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Pedal-pushing performance goes the distance in your own home Everyone knows how to ride a bike, but not everyone knows how to build a commercial quality upright bike that will provide a lifetime of cardio fitness. The Endurance B3U Upright Bike offers commercial quality features that provide you with the feel of a top-end touring bike. With a more comfortable seat than a traditional road bike and 16 levels of smoothly adjustable magnetic resistance, the Endurance B3U puts you in control of your daily ride. You're free to adjust your workouts to suit your mood, challenge your endurance or maximize your cardio benefit. The Endurance B3U's self-generating electronics provide you with the constant feedback you need to monitor your workout. Plus, with contact heart rate and advanced heart rate control programming, you'll ride smarter and more cardio-efficiently. Best of all, you'll ride quietly and conveniently in the comfort of your own home. The Endurance B3U is commercially engineered an