1. Introduction
Welcome to the user manual for your Tunturi Centuri S100 Sprinter Exercise Bike. This manual provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your new fitness equipment. Please read this manual thoroughly before using the exercise bike to ensure proper usage and to maximize your training experience.

Image 1.1: The Tunturi Centuri S100 Sprinter Exercise Bike, a robust indoor cycling solution.
2. Important Safety Instructions
Before beginning any exercise program, consult with your physician. It is essential to follow these safety guidelines to prevent injury and ensure the longevity of your equipment.
- Always place the exercise bike on a flat, stable surface.
- Ensure adequate clear space around the bike (at least 0.6 meters or 2 feet).
- Keep children and pets away from the equipment during use.
- Wear appropriate athletic footwear and clothing.
- Inspect the bike for loose or damaged parts before each use. Do not use if damaged.
- Adjust the seat and handlebars to a comfortable and safe position before starting your workout.
- Use the emergency stop switch immediately if you feel unwell or experience any discomfort.
- Maximum user weight for this device is 150 kg (330 lbs).
3. Setup and Assembly
The Tunturi Centuri S100 Sprinter Exercise Bike requires some assembly. Please follow the detailed assembly instructions provided in the separate assembly guide included with your product. Once assembled, ensure all bolts and nuts are securely tightened.
3.1 Adjusting the Bike
Proper adjustment of the seat and handlebars is crucial for comfort and effective training.
- Seat Adjustment: The seat can be adjusted both vertically and horizontally. Loosen the adjustment knob located beneath the seat post, slide the seat to your desired position, and then securely tighten the knob.
- Handlebar Adjustment: The handlebars can be moved forward, backward, up, and down. Loosen the adjustment knob on the handlebar post, position the handlebars for optimal comfort and reach, and then firmly tighten the knob.

Image 3.1: A user adjusting the handlebars for a personalized fit.

Image 3.2: Proper riding posture on the Tunturi S100, demonstrating adjusted seat and handlebars.
4. Operating Instructions
4.1 Console Overview
The S100 features a 5.5-inch backlit LCD display that shows important training parameters.

Image 4.1: Close-up of the S100's 5.5-inch backlit LCD display, showing time, pulse, speed, distance, watts, and calories.
The display provides real-time feedback on:
- Time: Duration of your workout.
- Pulse: Heart rate (measured via handlebar sensors or compatible chest strap).
- Speed: Current cycling speed.
- Distance: Total distance covered during the workout.
- Calories: Estimated calories burned.
- Watt: Power output in watts.
Use the buttons below the display (RESET, START/STOP, RECOVERY, UP, MODE, DOWN) to navigate menus, select programs, and adjust settings.
4.2 Resistance and Programs
The S100 offers a varied and intense training experience with:
- 32 Resistance Levels: Adjust the intensity of your workout using the console controls.
- 21 Programs: Choose from a variety of pre-set programs designed for different fitness goals. Refer to the console manual for detailed program descriptions.
4.3 Bluetooth Connectivity and Apps
The Tunturi S100 connects via Bluetooth to popular fitness applications, enhancing your training options.
- Compatible Apps: Zwift, iConsole+ Training, and Kinomap.
- Tunturi Routes: Experience virtual routes around the globe through compatible applications.
To connect:
- Ensure Bluetooth is enabled on your smartphone or tablet.
- Download and open your preferred fitness app (e.g., Zwift, iConsole+ Training, Kinomap).
- Follow the app's instructions to pair with your Tunturi S100 exercise bike.

Image 4.2: A user engaging in a virtual cycling experience using the Tunturi Routes app on a tablet, connected via Bluetooth.

Image 4.3: The Tunturi Routes application interface displayed on a tablet, showcasing various training options and real-life video routes.
4.4 Additional Features
- Emergency Stop Switch: Located on the frame, this switch allows for immediate cessation of the flywheel rotation for safety.
- Tablet Holder: A convenient holder is integrated into the console for your tablet or smartphone.
- Bottle Holder: Keep hydrated during your workout with the easily accessible bottle holder.
- Transport Wheels: For easy relocation, the bike is equipped with transport wheels at the front stabilizer.
5. Maintenance
Regular maintenance ensures the longevity and optimal performance of your Tunturi Centuri S100.
- Cleaning: Wipe down the bike with a damp cloth after each use to remove sweat and dust. Avoid abrasive cleaners.
- Inspection: Periodically check all bolts, nuts, and moving parts for tightness and wear. Tighten any loose fasteners.
- Lubrication: Consult the separate assembly guide for any specific lubrication requirements for moving parts.
- Storage: Store the bike in a dry, cool place away from direct sunlight and extreme temperatures.
6. Troubleshooting
If you encounter any issues with your Tunturi Centuri S100, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Console not displaying data. | Loose cable connection, dead batteries (if applicable). | Check all cable connections to the console. Replace batteries if the console is battery-powered. |
| Unusual noise during operation. | Loose parts, friction, or internal component issue. | Inspect all visible bolts and nuts for tightness. Ensure the bike is on a level surface. If noise persists, contact customer support. |
| Resistance not changing. | Issue with the resistance mechanism or console connection. | Ensure the console is properly connected. If the problem continues, contact customer support. |
| Bluetooth connectivity issues. | Bluetooth not enabled, app issues, or interference. | Ensure Bluetooth is on for both devices. Restart the app and the bike. Move closer to the bike to reduce interference. |
For issues not listed here, or if solutions do not resolve the problem, please contact Tunturi customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Model | Tunturi Centuri S100 Sprinter Exercise Bike |
| Dimensions (L x W x H) | 110 x 52 x 120 cm (43.3 x 20.5 x 47.2 inches) |
| Product Weight | 45.25 kg (99.7 lbs) |
| Maximum User Weight | 150 kg (330 lbs) |
| Display | 5.5-inch Backlit LCD |
| Resistance Levels | 32 |
| Programs | 21 |
| Braking System | PMS, Servomotor |
| Flywheel Weight | 17 kg (37.5 lbs) |
| Connectivity | Bluetooth (Zwift, iConsole+ Training, Kinomap compatible) |
| Material | Cast iron, plastic, metal, foam |
| Special Features | Adjustable seat (vertical & horizontal), adjustable handlebars (forward/backward, up/down), tablet holder, bottle holder, transport wheels, emergency stop switch. |
8. Warranty and Support
For detailed warranty information, please refer to the warranty card included with your product or visit the official Tunturi website.
If you require technical assistance, spare parts, or have any questions regarding your Tunturi Centuri S100, please contact Tunturi customer support. Contact details can typically be found on the Tunturi website or in your product packaging.





