nordictrack x24 bikeThe NordicTrack X24 bike and the ifit pro membership boast technology that puts results within reach. Ifit tracks your performance and automatically changes your 20% incline to 10% decline range, and 24 resistance levels to exactly what you need, so every workout is personalized to you. The silent magnetic resistance offers a smooth and quiet pedal rotation for a realistic cycling experience, so youre better prepared to take your progress outside.