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ROTOR INspider ALDHU Carbon Road Power Meter Crankset

Power Meter City September 7, 2021


ROTOR’s newest, spider-based power meter + a carbon crankset!

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ROTOR INspider ALDHU Carbon Road Power Meter Crankset

The ROTOR INspider ALDHU Carbon Road Power Meter Crankset features ROTOR’s spider-based power meter paired with it’s first every carbon crankset! The INspider measures power from both legs, recording data via four sets of opposing gauges. This results in a high degree of accuracy (+/- 1.0%) and also means the power meter can measure left and right leg power balance. In addition, the ALDHU Carbon Crankset is crazy light, weighing only 260 grams. In addition, vertical and horizontal stiffness had been increased by 11% and 36%, respectively.



Crank Arm Length: 165 mm | 170 mm | 172.5 mm | 175 mm

Chainring Size: 53/39 | 52/36 | 50/34

Chainring Shape: Round | Oval



The INspider ALDHU Carbon uses a 30 mm spindle and is compatible with most bike frames when used with the correct bottom bracket.


In the Box

  • ROTOR INspider Carbon Power Meter Crankset (spider, cranks, chainrings)
  • USB cable for charging
  • User’s manual

ROTOR Aero Crown sold separately


ROTOR INspider ALDHU Carbon Road Crankset Specs

NameROTOR INspider Carbon Crankset
Bike TypeRoad, CX, Gravel, Track
Location of Power MeasurementSpider
Left or Both Legs MeasuredBoth
Independent Left/Right MeasurementPower Balance
InstallationMore involved (60 min. estimated)
Communication ProtocolANT+ and Bluetooth SMART
Claimed Accuracy+/- 1.0%
Battery TypeRechargeable Li-ion
Battery Life200 hours
Method of Cadence MeasurementAccelerometer
Q Factor / ChainlineVaries Based on Crankset
Warranty2 years




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