Torque sensor vs. speed sensor – Which e-bike sensor is right for you?
Anyone who wants to buy an e-bike will sooner or later come across the question: torque sensor or speed sensor – which is better?
Both systems regulate the motor assistance on e-bikes, but the riding experience differs significantly. In this article, you'll find a clear comparison of e-bike sensors – including advantages and disadvantages, practical tips, and a guide to choosing the right sensor.
Von Vincent Augustin |
3 minutes read time
Published: June 29, 2025 | Updated: July 2, 2025
Why is the sensor so important on an e-bike?
Whether you're cruising leisurely through the city or cruising along country roads, the right sensor ensures that your e-bike rides smoothly, efficiently, and safely. Sensors measure how and when the motor should provide assistance, and they therefore play a key role in determining the e-bike's riding experience.
The two most common systems are the torque sensor and the speed sensor. Depending on which sensor is installed, the e-bike feels very different.
The torque sensor – precise, natural, sporty
The torque sensor in the e-bike measures how hard you pedal. The more force you exert, the more assistance the motor provides – proportional to your effort. The result: a smooth, controlled, and natural riding experience.
Advantages of the torque sensor:
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Intuitive driving experience, as engine and driver interact perfectly
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Ideal for sporty drivers looking for dynamics and precision
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Efficient battery consumption, as the motor does not work more than necessary
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Particularly suitable for hilly routes and tours with high performance requirements
The speed sensor – Dynamic, comfortable, energy-saving
The speed sensor in your e-bike measures how fast you pedal, regardless of how much force you exert. As soon as you pedal lightly, the motor provides powerful assistance. This makes for a lively, energetic, and direct ride.
Advantages of the speed sensor:
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Dynamic propulsion – even with a slight movement of the crank you get noticeable support
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Comfortable for beginners, seniors or city riders
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Very good for flat terrain and leisurely rides
E-bike sensor comparison – at a glance
| criterion | Torque sensor | Speed sensor |
|---|---|---|
| Measuring principle | Pedal power | Cadence |
| Driving experience | Natural, controlled | Lively, energetic |
| Entry comfort | Requires personal contribution | Supports even light movement |
| Area of application | Sport, mountains, dynamic driving | City, flat terrain, everyday driving |
| Battery consumption | Efficient with an adapted driving style | Slightly higher because support starts earlier |
Which e-bike sensor is better?
The question “Which e-bike sensor is better?” cannot be answered in general terms – it depends on your needs and riding style:
Choose a torque sensor if…
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You drive sportily and are looking for a natural driving experience
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You enjoy touring or traveling in mountainous terrain
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You want the engine to respond precisely to your power input
Select a speed sensor if…
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You want to travel comfortably and with little effort
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You are looking for a city e-bike for everyday use and leisure
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You value a dynamic, energetic acceleration
Are there e-bikes with both sensors?
Yes! Some modern e-bike systems combine torque and speed sensors. These provide a very balanced ride experience – with direct response to pedal movement and simultaneous fine-tuning through force measurement. Such combination systems are particularly common in high-end e-bikes .
Conclusion: Sensor selection significantly influences the driving experience
Whether torque sensor or speed sensor – both systems have their place. The difference lies in the riding experience and the area of application. Our e-bike sensor comparison shows:
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If you are looking for an active, sporty riding experience, a torque sensor e-bike is the best choice.
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Those who prefer an energetic, smooth driving experience will benefit from the speed sensor – especially in city traffic and over short distances.
👉 Our tip: Test both versions on a test ride – this way you can find out which e-bike sensor suits you better !
