LOOK to demonstrate ‘ready for consumer’ Keo Power pedal at Interbike

LOOK has developed the Kéo Power: the first power and cadence measuring pedal for the most demanding cyclists. Combined with POLAR technology for data transmission and display, the Kéo Power permits direct display on the computer of pedaling information.

To adapt to athletes who leave nothing to chance, LOOK, the inventor of the automatic pedal and POLAR, inventor of the heart rate monitor, have combined their experience to offer an innovative, accurate reliable product.

How it works

Each pedal senses the cyclist’s power and rate through the pedal shaft and transfers them to transmitters (fixed on the crank arm), which send them directly to the computer using wireless technology.

Accurate Measurement

The Kéo Power permits very accurate measurement of the power and cadence. Each axle is equipped with 8 strain gauges permitting very accurate measurement of the axle deflection and so of the forces applied to it.

The observed measurement deviations, whatever the value of the force and its point of application are less than 2%. The axle electronics are designed to measure forces up to 170kg, obviously the axle can support much larger forces. The cadence is measured using a reed relay placed in the axle of the pedal.

Through the force and cadence measurement, the Kéo Power is capable of reading power. The information is then sent to the POLAR transmitter, which sends it wirelessly to the meter via the WIND® protocol.

Left / right balance

Because it measures the power on each axle, the Kéo Power permits an indication of the left/right power distribution as a percentage. This will allow experienced cyclists to improve their pedaling technique.

Easy to install, Use & self-calibration

The Kéo Power is very easy to install, compatible with the majority of bicycles on the market and very easy to move from one bike to another, in contrast to systems that are found in the crankset or the hub. Calibration is done automatically when the system starts up.

Keo standard: Efficiency, reliability, and lightness

The Kéo Power possesses all the characteristics of a Kéo. The platform surface is the same as the Kéo Blade, which is one of the widest currently available (62mm), guaranteeing excellent stability and efficiency. The platform height is also the same as a Kéo Blade (15.2mm).

The Kéo Power is among the lightest power measurement systems on the market.

The axle has been the subject of special attention: 3 bearings, double seals. It has undergone exactly the same approval tests as the standard axles: Kéo Power axles have only been approved after a 1 million cycle rotation test at 100rev/min with a load of 90kg on the center of the pedal and eccentric rotation (which creates a shock at each turn). This test is much greater than the current standard: EN14781.

Ron Callahan is the chief cook and bottlewasher at Bike World News, doing everything from website design to bike reviews.
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Ron Callahan is the chief cook and bottlewasher at Bike World News, doing everything from website design to bike reviews.
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