Dual-Sided Power Measurement
With 2 separate sets of strain gauges, the ROTOR 2INpower measures both left and right leg power data independently.
ROTOR 2INpower MTB Crankset Power Meter
Josh Matthew May 13, 2022 5.00 out of 5 based on 2 customer ratings
(2 customer reviews)$1,250.00 – $1,290.00
The ROTOR 2INpower MTB power meter is a high-end MTB crankset at a moderate price
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.
Highlights
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.
Options
The ROTOR 2INpower MTB Power Meter is available in the following configurations:
Crank arm lengths: 165 mm | 170 mm | 175 mm
Chainring sizes: 30 | 32 | 34
Chainring shapes: Round | Q-Ring (Oval)
Please note – the ROTOR 2INpower MTB is only compatible with ROTOR Direct Mount MTB Chainrings.
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.
- 8 mm Allen key
- 5 mm Allen key
- ROTOR DM lockring tool (supplied)
ROTOR MTB Power Meter Compatibility
Chainrings: The ROTOR 2INpower MTB is compatible with ROTOR Direct Mount MTB chainrings, which can be purchased on this page along with the power meter.
Bottom Bracket: This power meter fits 30 MM bottom brackets. If you currently have a 30 MM crankset on your bike, you should be able to re-use your existing bottom bracket. However, if you are chaining spindle sizes, you will need to replace your bottom bracket.
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 |
| Installation | More involved (60 min. estimated) |
| Chainring Configuration | 1X |
| Speeds | 9-, 10-, 11- and 12-speed |
| Chainline Spacing | Boost |
| Crank Arm Material | Aluminum |
| Communication Protocol | ANT+ and Bluetooth SMART |
| Claimed Accuracy | +/- 1.0% |
| Active Temperature Compensation | No |
| Weight | 695 grams (170 mm, 32T) |
| Battery Type | Rechargeable |
| Battery Life | 250 hours |
| Method of Cadence Measurement | Accelerometer |
| BCD | NA |
| Spindle Size | 30 mm |
| Q Factor | 169.5 mm |
| Warranty | 2 years |
In the Box
- ROTOR 2INpower MTB Crankset
- DM Chainrings (if purchased)
- USB cable for charging
- Users manual
2 reviews for ROTOR 2INpower MTB Crankset Power Meter
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Agustin Vega-Crespo (verified owner) –
Solid PM! Love the oval q ring and solid power reading in bumpy fire roads and single trails
You have to get it with a bottom bracket and installation is relatively easy if you have the tools.
Still figuring out the power readings as average power shows higher than NP – likely computer head setting
Will do in the next weeks a test on a smart trainer, this power meter and power two pedals to assess discrepancies.
Costumer service was outstanding! Will most certainly buy from this site! Great job guys ????
Power Meter City –
Hi Agustin. Thank you for this awesome review on your ROTOR 2INpower MTB Crankset. We are happy you liked them – a great power meter indeed. We hope you continue to enjoy them! We appreciate your business and please let us know if there is anything else we can do! Ride safe!
Andrew Agoliati (verified owner) –
I bought this power meter to train for the Leadville MTB Trail 100. I paired it with a SRAM Eagle 1×12 and just absolutely love it. The information that you can get from the Rotor App and the dual sided power meter is pretty incredible when you take the time to analyze it and figure out how to use it to improve your performance. Well worth the price.
Power Meter City –
Hi Andrew. Glad you like you ROTOR 2INpower MTB. It’s quickly becoming our best-selling MTB crankset. Good luck on the Leadville 100 and let us know if there is anything else we can do.