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Transform your smart-trainer and your treadmill into a simulator by installing Challenger Indoor on your smartphone or tablet, the most advanced app for indoor cycling with 4K videos and real audio! Our videos playback speed will adapt to the speed you are running on your treadmill or pedal on your interactive trainer!
And if you have an interactive trainer we will also tilt your treadmill or make your pedaling motion harder in order to simulate the slope you are climbing!
Mirror your smartphone onto your smart tv, monitor, PC or Mac

(we tell you how: FAQ,  question 8)

In partnership with:

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