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What is the difference between a cadence sensor and a torque sensor on electric bikes?

Published in Electric Bikes 2 mins read

A cadence sensor measures how fast your pedals are turning, while a torque sensor measures how much force you are applying to the pedals.

Cadence Sensors

  • How they work: Cadence sensors typically use a magnet and a sensor to detect the rotation of the crank arm.
  • How they affect motor assistance: When a cadence sensor detects a certain pedal speed, it triggers the motor to provide assistance.
  • Pros: They are generally cheaper and simpler to install than torque sensors.
  • Cons: They can feel less natural and responsive, as the motor assistance is based solely on pedal speed, not force.

Torque Sensors

  • How they work: Torque sensors measure the force you apply to the pedals, allowing the motor to provide assistance in proportion to your effort.
  • How they affect motor assistance: The motor provides more assistance when you push harder on the pedals and less assistance when you pedal lightly.
  • Pros: They provide a more natural and responsive ride, feeling more like riding a traditional bike.
  • Cons: They are typically more expensive and complex to install than cadence sensors.

Which is better?

The best sensor type for you depends on your personal preferences and riding style. If you are looking for a more affordable and straightforward option, a cadence sensor might be a good choice. If you prioritize a natural and responsive ride, a torque sensor is likely the better option.

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