Rotor 2INpower DM Road Crank

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Description of Rotor 2INpower DM Road Crank

Knowing your strengths is helpful, but knowing your weaknesses is like mining for gold.

This is why ROTOR Bike Components introduced their new 2INpower ("twin" power) dual-sided power meter. 2INpower measures power individually at each leg to provide precise data about balance and power output in order to demonstrate where improvements can be made when it comes to pedaling efficency.

"A person with a 50/50 balance in his or her power output is extremely rare, if even that person exists," explained Irene Albacete, lead engineer for 2INpower. "We knew that the next step was to take advantage of INpower's technology and accuracy to develop a dual-sided power meter with the same features as INpower but which could provide power data equally in the right leg and in the left."

An additional pair of strain gauges is placed inside the right crank arm. They measure the performance of the right leg solely. The other four strain gauges are already located in the bottom bracket axle - as in the INpower cranks - measuring the left leg power.

New technologies of the 2INpower cranks are Bluetooth Smart and the integrated rechargeable battery.

  • dual-sided power meter
  • wireless compatibility: ANT+™ and bluetooth smart.
  • strain gauges: 4 inside the axle and 4 inside the right crank arm.
  • data transfer: power, cadence, balance, torque effectiveness and pedal smoothness for each leg. Via Standard ANT+™. L/R separate or combined pedal stroke analysis via Optimum Chainring Angle (OCA) and TORQUE 360.




  • software: ROTOR 2INpower user software
  • battery: rechargeable Li-ion + USB cable
  • Chain Ring Mount: Direct Mount for ALDHU One-Piece rings
  • BB compatibility: BSA/ITA/BB86/BB30/BB30A/PF30/BBright/BB386 evo
  • material crank arm: aluminum 7055
  • crank arm length: 165 mm, 170 mm, 172.5 mm, 175 mm
  • q-factor: 147.5 mm
  • chain line: 43.5 mm
  • BB axle diameter: UBB30 mm
  • weight: 596 g (172.5 mm)
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Fact Sheet of Rotor 2INpower DM Road Crank

Product Name: Rotor 2INpower DM Road Crank
Manufacturer: Rotor
Item Code: ROT382768
Year: 2018
Manufacturer item code: C13-031-17010-001
C13-031-19010-001
C13-031-20010-001
C13-031-21010-001
Material: 7055 aluminium
Weight: approx. 596 gram (at 172.5 mm crank arm length, without BB and chainrings)
(manufacturer's specs)
Included in delivery: crank, without bottom bracket, without chainrings
Crank length: 165 | 170 | 172,5 | 175 mm
Chainwheel, number of teeth: ohne Kettenblätter
Chainline: 43.5 mm
Axle profile: integrated 30mm aluminium axle
Direct Mount Standard: ROTOR OCP
Q-Factor: 147.5 mm
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Selection: Rotor 2INpower DM Road Crank
Currently not in stock Not deliverable Crank Arm Length 165 mm
Still 1 in stock in stock, delivery time 1-2 days Crank Arm Length 170 mm
Still 1 in stock in stock, delivery time 1-2 days Crank Arm Length 172.5 mm
Still 2 in stock in stock, delivery time 1-2 days Crank Arm Length 175 mm
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