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FEATURES
  • Not everyone has the perfect pedal stroke. With +/- 1% accuracy, 4iiii is the only crank-based power meter to use 3 strain gauges to measure all forces in your pedal stroke.

  • A dual power meter measures the power from each individual leg to calculate your total power output

  • Get more data like pedal smoothness and torque effectiveness to analyze and optimize your pedal stroke

SPECIFICATIONS
  • Crankset: Shimano Ultegra FC-R8000

  • Type: Dual

  • Battery Life: 100+ Hours

  • Cadence Rating: 30 - 150 rpm

  • Profile: 7.5mm

  • Weight: 25g

  • Dual-Channel ANT+ & Bluetooth Smart