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ROTOR INspider VEGAST Road Power Meter Crankset

Josh Matthew August 4, 2022


The INspider paired with ROTOR’s budget friendly VEGAST crank arms!

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ROTOR INspider VEGAST Road Power Meter Crankset

The ROTOR INspider VEGAST Road Power Meter Crankset features the INspider paired with ROTOR’s budget friendly VEGAST crank arms. The result is a dual-sided crankset that performs as good as it looks, without costing as much as the ALDHU version. In addition, the VEGAST comes in several crank arm lengths and fits both 24 mm and 30 mm bottom brackets.

The ROTOR INspider records data via four sets of opposing gauges. This results in a high degree of accuracy (+/- 1.0%). It also means the power meter can measure left and right leg power balance. The INspider features ANT+ and Bluetooth SMART and has a USB-rechargeable battery with 200-hour battery life.



Crank Arm Length & Spindle Size: 24 x 165 | 24 x 170 | 24 x 172.5 | 24 x 175 | 30 x 165 | 30 x 170 | 30 x 172.5 | 30 x 175

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

Chainring Shape: Round | Oval


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: This power meter 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 either a 24 mm or 30 mm spindle and must be used with the correct bottom bracket.

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

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

ROTOR INspider VEGAST Road Crankset Specs

NameROTOR INspider 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)
Crank Arm MaterialAluminum
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 Size24 mm or 30 mm
Q FactorVaries based on crankset
Warranty2 years

In the Box

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

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