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Which heart rate monitor can be used with the BODY BIKE SMART+ App

The BODY BIKE indoor cycling app utilizes two protocols: cycling power (0x1818) and heart rate (0x180D).

Cycling Power 0x1818: This protocol enables the communication between the SMART+ bike and the BODY BIKE indoor cycling app.

Heart Rate 0x180D: This protocol facilitates the connection between the heart rate monitor and the BODY BIKE indoor cycling app.

If a heart rate monitor does not transmit using the correct protocol (0x180D), it cannot be connected to the BODY BIKE indoor cycling app. Therefore, Apple Watches and other smartwatches, such as Garmin and Samsung watches, cannot directly connect to the app and cannot be used as heart rate monitors.

We recommend using a chest strap heart rate monitor or a wrist sensor to the app. Chest strap monitors provide more accurate and reliable heart rate data compared to wrist-based sensors.

Why is WATT measurement more useful than heart rate?

Watt is a more reliable measure of your performance compared to heart rate. While heart rate reflects how your body feels and can be influenced by various factors like room temperature, time of day, stress, and caffeine, wattage directly measures your actual effort. Watt responds instantly to changes in your effort, allowing you to track your progress more accurately.

As your physical condition improves, you’ll be able to produce more wattage at the same heart rate, enabling you to monitor your progress effectively. To optimize your workouts, consider taking a watt level test on the BODY BIKE Connect or a FTP test in the BODY BIKE App. This test will determine your watt level and relative VO2 max, helping you plan your exercise regimen to achieve your fitness goals efficiently, without overexerting or underperforming.Workout smarter, not harder. For more information on how to exercise using watt, see BODY BIKE’s guidelines.

What is WATT?

Scientifically, 1 watt is defined as the rate at which work is done when an object’s velocity is maintained at one meter per second against a constant opposing force of 1 Newton. In practical terms, wattage measures how hard you are working on the bike.

Watt is often referred to as your power output, reflecting the power you apply to the pedals. It depends on two factors: the resistance of the flywheel (the opposing force you overcome) and your pedaling speed (the flywheel’s angular velocity). This means you can achieve the same wattage by either pedaling fast with low resistance or pedaling slower with higher resistance. For more on why exercising with watt is beneficial, see BODY BIKE’s five reasons to exercise with watt.

What is the difference between Spinning, BODYBIKING, RPM, and Indoor Cycling?

The terms “spinning,” “bodybiking,” “RPM,” and “indoor cycling” depend on the type of bike, instructor, and training program you use.

Since 1992, “Spinning” has been a registered trademark and refers specifically to the products, bikes, and programs offered by the trademark holder. To use the term “spinning,” you must be certified by them, use their bikes, and obtain their permission.

Other companies have their own trademarks for indoor cycling activities. For example, Les Mills owns the trademark “RPM,” which stands for “Raw Power in Motion.” They define RPM as an indoor cycling workout synchronized to powerful music.

Ultimately, the terminology you use—whether “spinning,” “bodybiking,” “RPM,” or “indoor cycling”—depends on the brand and program. However, despite the different names, the fundamental activity remains the same.

What is FTP and Sweet Spot?

FTP stands for Functional Threshold Power, which represents the maximum wattage you can sustain consistently for one hour. In the BODY BIKE Indoor Cycling app, you can perform a VO2 max test that calculates your FTP.

For most people, the ideal training zone, often called the “sweet spot,” is around 85-95% of your FTP. In this zone, you can maintain exercise for an extended period without burning out.

If you haven’t taken the test yet but would still like to enter an estimated FTP value in your app, the app can calculate it for you in the “Personal settings” or you can use the Find your FTP table to input an approximate value.

How do i keep my BODY BIKE firmware up to date (SMART+/SMART+ Phantom models)

  1. Ensure You Have the Latest BODY BIKE App Version
  • Open the App Store or Google Play Store.
  • Go to your profile in the top-right corner and scroll down to the “App Updates” section.
  • If an update for the BODY BIKE App is available, it will appear here with an option to update.
  • Tap the “Update” button if necessary.
  1. Updating the Firmware


After updating the app, follow these steps:

  • Open the BODY BIKE App on your device and start pedaling to detect your bike.
  • Tap “Connect to Devices” and keep pedaling.
  • Select your bike by identifying the bike number located on the top of the handlebar.
  • The app will begin updating the firmware, displaying a progress bar.

Important: Keep pedaling throughout the firmware update to maintain the connection.

How does BODY BIKE secure a high quality?

Through years of dedication, BODY BIKE has built a reputation for producing high-quality indoor bikes. We maintain this standard by focusing on the details and using carefully selected materials. However, premium materials alone do not ensure a top-quality product; they must be used correctly to achieve their full potential. Our expertise, experience, and technical insight ensure consistent and unmatched quality in every bike we produce.