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LOOK Polar

KÉO POWER : The first-ever power measurement pedal  

LOOK has developed the Keo Power: the first power and cadence measuring pedal for the most demanding cyclists.

Combined with POLAR technology for data transmission and display, the Keo Power allows the display of pedalling information on the computer.

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 Keo 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 accuracy is +/- 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 switch placed in the axle of the pedal.
By measuring force and cadence, the Keo Power is capable of giving the power. The information is then sent to the POLAR transmitter, which sends it wirelessly to the head unit via Polar's propriatory WIND® protocol.

Left / right balance

Because it measures the power on each axle, the Keo Power displays the left/right power distribution as a percentage. This will allow experienced cyclists to improve their pedalling technique.

Easy to install, Use & self-calibration

The Keo 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. Calibration is done automatically when the system starts up you just need to program in your crank length during system setup.

Keo standard:

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

The Keo 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: Keo Power axles have only been approved after a 1 million cycle rotation test at 100rev/min with a load of 90kg on the centre of the pedal and eccentric rotation (which creates a shock at each turn). This test is much more demanding than the current industry standards.

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