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ROTOR INspider ALDHU Carbon Road Power Meter Crankset

Power Meter City July 1, 2022


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

Includes ROTOR Aero Crown as pictured. Please contact if you would like to order without the crown, a savings of $55.


Tools Needed for Installation

You will need the following tools for installation of this product. You can purchase many of these commonly used tools in our store.

  • 10 mm Allen key


Chainrings: The INspider ALDHU Carbon is compatible with ROTOR 110 BCD 4-bolt asymmetric chainrings which can be purchased on this page along with the power meter and cranks.

Bottom Bracket: This power meter uses a 30 mm spindle and must be used with a 30 mm bottom bracket.

Note 1 - This power meter can also be ordered with SRAM AXS chainrings (same price). Please contact us for availability.

Note 2 - The INspider does not fit Trek bikes that have a T47 bottom bracket.

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 MeasurementYes - Power Balance
InstallationMore involved (60 min. estimated)
Crank Arm MaterialCarbon
Communication ProtocolANT+ and Bluetooth SMART
Claimed Accuracy+/- 1.0%
Active Temperature CompensationNo
WeightVaries based on configuration
Battery TypeRechargeable
Battery Life200 hours
Method of Cadence MeasurementAccelerometer
BCD110 4-bolt asymmetric
Spindle Size30 mm
Q FactorVaries based on crankset
Warranty2 years

In the Box

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

ROTOR Aero Crown sold separately


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  • 0 out of 5
    Compatible with BB86, BB89 and BB92 bottom brackets
  • 0 out of 5
    ROTOR spacer kit for 30 MM spindles
  • 0 out of 5
    Made for 41 mm x 86.5 mm bottom brackets and works with 30 mm spindle cranks
  • 5.00 out of 5
    5.00 out of 5 based on 1 customer rating
    (1 customer review)

    ROTOR BSA 30 Bottom Bracket

    Works with both 68 mm and 73 mm English-threaded (BSA) framesets


  • 0 out of 5
    An accurate spider-based power meter that can be used on virtually any bike!
  • 0 out of 5
    One of our best-selling power meters on a ROTOR ALDHU carbon crankset!
  • 5.00 out of 5
    5.00 out of 5 based on 13 customer ratings
    (13 customer reviews)
    One of our best-selling power meter cranksets. Available in ALDHU 24 or 30 MM!
  • 0 out of 5
    ROTOR's newest, spider-based power meter with equal parts looks and performance! SHIPS WITH 30MM SPINDLE. PLEASE CONTACT US IF YOU WOULD LIKE 24MM

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