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Torque Sensor Inner Bearing - Precise Technology

No compromises: The torque sensor inner bearing BBRTTS sets new standards for measuring power in pedelecs and e-bikes. Over a crank movement of 360 degrees, the sensor inner bearing continuously determines the torque and cadence with high accuracy. In each crank position, the torque is determined with up to four times better sensitivity. Cycling is much more comfortable with the BBRTS – a product from the SCHAFFLER VELOSOLUTIONS range of innovative solutions for bikes.

Torque sensor inner bearing - BBRTTS
Torque sensor inner bearing - BBRTTS


  • Precise detection of rider intention in any situation for optimum motor assistance and excellent riding comfort
  • Reliable and maintenance-free throughout the operating life
  • Simple integration in standard pedelec frames, no need for post-calibration
  • Versatile possibilities for combination in electric pedelec and e-bike control systems


  • Continuous power detection (torque and cadence) in any crank position over 360 degrees with up to four times the accuracy
  • High corrosion resistance of surfaces and protection classes for the inner bearing
  • Compact design, standard BSA and square section crank connection
  • Compatible with electric standard interfaces
Torque - theoretical curve
Torque - theoretical curve
Torque signal
Torque signal
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