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Rotor INPower DM Road Power Meter Cranks

Item number: 67494
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Rotor INPower DM Road Power Meter Cranks - black/175.0 mm
Rotor INPower DM Road Power Meter Cranks - black/175.0 mm
Rotor INPower DM Road Power Meter Cranks - black/175.0 mm
Rotor INPower DM Road Power Meter Cranks - black/175.0 mm
Rotor INPower DM Road Power Meter Cranks - black/175.0 mm
Tested by Stephan
  • 100 day return period
  • Online since 1998
  • Trusted Shop 4.84 / 5.00

Improve your pedalling performance and achieve your training goals: the INPower DM Road crank from Rotor


Integrated power measurement technology lies at the heart of the Rotor INPower direct mount road crank. Power measurement data is taken from the left leg using strain gauges in the axle, which provide precise values for power, cadence, torque efficiency and concentricity. All internal electronics are waterproof, which centres the rotating mass and provides maximum protection.

The Rotor InPower DM road crank is a powerful tool that allows you to measure individual pedalling biomechanics using the Rotor Power App. Get real-time access to specific information such as Torque 360, Optimum Chainring Angle (OCA) or a recommendation for the optimal chainring position (OCP).
Use this technology in conjunction with oval Rotor Q-Rings to set your OCP to tune your pedalling efficiency and maximise power transfer for every revolution.

Connect your Rotor INPower DM crank to a bike computer or smartphone via Bluetooth Smart or ANT+ to easily export your data, and dive deeper into training analysis with platforms such as Trainingpeaks.com.
Setup and calibration are user-friendly, and everything is powered by a standard AA battery in watertight casing, which provides up to 300 hours of operation.

Information regarding the return of batteries and electrical equipment:


Information on the return and disposal of used batteries, accumulators and electrical equipment can be found here.

Specifications:


Application: Road, Triathlon
Type: cranks with power meter (left)
Compatibility: 1-speed, 2-speed
Chainring Mount: Rotor Direct Mount

Technical Information:


Crankarm Material: aluminium (6082, 7075)
Crankarm Length: 170.0 mm, 172.5 mm, 175.0 mm
Chainline: 43.5 mm
Q-Factor: 147.5 mm
Axle Diameter: 30 mm
Recommended Bottom Bracket: BSA, BB386EVO, BB86, PF30*
Tolerance: +/- 0.5 %
Point of Measurement: crank axle
Power Source: 1 x AA mignon battery (1.5 V)
Battery Life: up to 300 h
Data Collected: power, cadence, torque (left), pedal stroke uniformity (left)
Waterproof: IPX7
Data Transfer: ANT+, Bluetooth Smart (4.0/LE)

* A complete overview of compatible bottom brackets and any necessary spacers can be found in the spacer chart by Rotor.

Features:


- CNC-machined, anodised crank arms
- power measurement electronics and battery integrated in the axle
- 4 strain gauges
- data transmission protected from dirt and shocks
- tool-free battery replacement
- low battery alert
- oval and round 1-speed direct mount chainrings available separately, also compatible with Rotor ALDHU Direct Mount chainrings
- software download/updates on the Rotor homepage
- additional values via software: Torque 360, OCA (Optimum Chainring Angle)
- installation requires 10 mm, 8 mm and 2 mm hex tool
- crank connects to PC via USB ANT+ stick (e.g. Rotor USB ANT+ dongle)

Technology:


Aluminium CNC
Computer Numerical Control (CNC) milling ensures a precise and uniform production process. This is particularly important when manufacturing components that must function properly and work in congruity with other parts. Thanks to state-of-the-art CNC equipment, Rotor parts are manufactured with extreme precision, down to a hundredth of a millimetre.

TDS
Rotor CNC cranks are stiffer than competitive cranksets thanks to Trinity Drilling System (TDS). In this procedure, three full holes are drilled from the bottom bracket to the pedal. This creates a box-like grid, similar to a box girder bridge. This makes the cranks extremely stiff while at the same time reducing weight, resulting in an excellent stiffness-to-weight ratio.

INPower
Inner values count! The technology of the Rotor INPower is completely and securely positioned inside of the axle. The patented ROTOR INPower with integrated power measurement will improve your training in both quality and experience aspects. It is one of the lightest integrated power measuring cranks and is an ideal introduction to power-controlled training. Safe from shocks and debris, the placement of the strain gauges in the centre of the axle provides accurate and reliable data transmission. The measured data are recorded in the left crank arm. The Optimal Chainring Angle (OCA) system allows you to find the ideal Optimal Chainring Position (OCP) setting for your Q-Ring by analysing the force within one pedal rotation. Replacing the standard AA battery can be carried out without tools.

OCP
Optimum Chainring Position (OCP) indicates the various adjustments that Rotor Q-Rings offer to adapt to the rider's specific pedalling characteristics. Q-Rings have up to 5 OCPs. These positions help to optimise your pedalling behaviour.
You can determine your OCP if you know your optimal chainring angle (OCA), which you can determine by a Torque 360 step analysis with the user software of Rotor 2INPower and INPower.

Manufacturer Part Numbers:


170.0 mm: C13-032-19010-000
172.5 mm: C13-032-20010-000
175.0 mm: C13-032-21010-000

Contents:


- 1 x Rotor DM Road left crankarm
- 1 x Rotor DM Road right crankarm, incl. Rotor INPower axle
- 1 x Rotor INPower crank bolt w/ washer and puller, pre-installed
- incl. spacers
- chainrings not incl.
- not incl. bottom bracket
- not incl. batteries


Gewicht:

  • black/172.5 mm: 510 g

Models:

in stock 2 to 7 days up to 10 days Out of stock inform me
  • black/170.0 mm
    528.57€
  • black/172.5 mm
    503.36€
  • black/175.0 mm
    503.36€

Customer Reviews (2)

4

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Customer Reviews (2)

4.0/5.0
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by Kurt H.  on 26.03.2019

Starke Kurbel. Fühlt sich steifer an, als meine Ultegra vorher, aber das kann auch Placebo sein. Leistungsmessung & Übertragung läuft tiptop mit meinem Bolt, da gibt's nix zu meckern.

Hauptgrund war für mich die Vielseitigkeit, die die DM Aufnahme bietet. Ich bastel gern mit Setups, und so kann ich leicht von 1x auf 2x wechseln.

Plus sie sieht einfach gut aus.

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by Benno S.  on 28.11.2018
0 of 1 customers found this review helpful.

Schöner Kurbelsatz, in 172,5 mit 53/39 DM zu gewogenen 720 gramm.
Die Verpackung ist unterirdisch (ich hatte zwei - gingen beide zurück bei anderem Händler) - die Kurbeln sind innen so schlecht befestigt, dass sie sich losrütteln, gegeneinander schlagen beim Transport und so auch eine neue Verpackung bei Ankunft aussieht, als wäre sie mit Kutsche 1000km gereist.
Das Unbefriedigende ist aber die Batterie-Abdeckung. Ein fummeliger Batteriekontakt mit zwei Flügeln muss erst gegen Federdruck in zwei Nuten eingeführt und durch Drehung arretiert werden. Dann kommt eine Schraubabdeckung mit 8mm Inbus-Aufnahme drüber, die mit 6-12Nm angezogen werden soll. Das geht aber schwer, weil ersterer Batteriekontakt in die Inbusaufnahme ragt und dem 8mm Schlüssel immer mehr Platz raubt, und so kein Kraftschluss mehr möglich ist - wer denkt sich so einen Unfug aus?

Die Startzeit der Elektronik ist langsamer als zB bei Stages, die Verbindung dann stabil (zu Wahoo Bolt). Alle Teile sehen gut gefräst aus und machen einen wertigen Eindruck.

Mit ein paar Gramm weniger, mehr Auswahl an Kettenblättern, besserer Batterieabdeckung und schliesslich ordentlicher Packung wäre der Preis voll ok - so schaue ich mal bei DA oder gar FSA.

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