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ROTOR 2INpower MTB Crankset Power Meter

The ROTOR 2INpower MTB Crankset Power Meter takes ROTOR’s renowned 2INpower technology to the dirt with a version designed specifically for off-road use. The 2INpower makes several improvements over the previous generation INpower. Features such as independent left/right power, Bluetooth SMART and rechargeable li-ion battery technology are all new with the 2INpower ROTOR MTB.

The ROTOR 2INpower MTB features ROTOR’s 30 mm UBB (Universal Bottom Bracket) design which make the power meter compatible with almost all standard frames when used with the correct spacers. In addition, when used with a Q-Ring, ROTOR’s OCP (Optimum Chainring Position) technology allows you to identify your OCP in order to fine-tune your Q-Rings for optimized pedaling performance and efficiency.


Dual-Sided Power Measurement

With 2 separate sets of strain gauges, the ROTOR 2INpower measures both left and right leg power data independently.

Bluetooth SMART Technology

In addition to broadcasting power data with ANT+, the 2INpower also features Bluetooth SMART Technology. This allows you to use the power meter with any cycling computer, smartphone or tablet.

Integrated Electronics Inside

Electronics and battery are integrated inside the axle, making 2INpower shock and contaminant resistant, and waterproof with cleaner data transfer.

UBB. Universal Bottom Bracket

ROTOR 2INpower cranks are compatible with almost every bike frame in the market.

Optimized for Q-Rings

TORQUE 360 and OCA help cyclists precisely and accurately analyze force variations in their pedal stroke.

Compatible With All ROTOR 30 mm Cranks

2INpower’s axle-based technology offers a wide range of cranks for both road and off-road riding.


The ROTOR 2INpower MTB Power Meter is available in the following configurations:

  • Chainring sizes: 38 | 36| 34 | 32 | 30 | 28 | 26
  • Chainring shapes: Round | Q-Ring (Oval)
  • Crank arm lengths: 165 mm | 170 mm | 175 mm

Please note – the ROTOR 2INpower MTB is only compatible with ROTOR Direct Mount MTB Chainrings.

ROTOR MTB Power Meter Compatibility

The ROTOR 2INpower MTB has a 30 mm spindle and is compatible with the following bottom bracket standards: BB30 | Pressfit 30 (PF30) | BSA | BB89 | BB92.


In the Box

  • ROTOR 2INpower MTB Crankset
  • DM Chainrings (if purchased)
  • USB cable for charging
  • Users manual


ROTOR 2INpower MTB Crankset Specs

Name 2INpower MTB Crankset
Bike Type MTB
Location of Power Measurement Axle / bottom bracket (L) and crank arm (R)
Left or Both Legs Measured Both
Independent Left/Right Measurement Yes
Chainring Configuration 1x (single chainring)
Installation More involved (60 min. estimated)
Communication Protocol ANT+ and Bluetooth SMART
Claimed Accuracy +/- 1.0%
Weight 695 grams (170 mm)
Battery Type Rechargeable
Battery Life 250 hours
Method of Cadence Measurement Accelerometer
Boost Compatible Yes
Q Factor 169.5 mm
Warranty 2 years