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ROTOR Bike Components have established a new power meter category by introducing its innovative crank axle-based power meter, INpower. By inconspicuously integrating its technology inside the bottom bracket, INpower is protected from shock, crashes and outside contaminants, plus maintains the bike's original aesthetics. Light, accurate and running off 1 AA battery means you can maximise your training or racing.
The Rotor 3D30 INpower crank has all the same features as the 3D+ but with a forged manufacturing process which makes it slightly cheaper while only adding 18 grams.