Exakt Pedal Power Meter

Paul Norman takes a look at a pedalbased meter endorsed by the pros

- Paul Norman

German firm SRM has been making power meters since 1986 and is considered by many to be the gold standard in power measurement, thanks to its spider-based system’s accuracy and reliability. But until now, it’s only been available in crankset form.

Now SRM has worked with Look to bring out Exakt, a pedal-based power meter that it says matches almost exactly the output of the crankset-based SRM system. Key to this was designing a new stainless steel spindle and a pedal body that turns on a needle roller bearing placed directly under the centre of the pedal platform. This, they say, makes the reading independent of where the rider applies force to the pedal surface.

The Exakt’s electronics are fully enclosed and dual-sealed in the pedal body. There’s an internal rechargeable battery with up to 100 hours of recording time, with a connector in the pedal spindle allowing you to recharge it and update the firmware.

The antenna is also within the pedal body and there’s Bluetooth LE and ANT+ connectivity. The electronics contribute just 25g to the pedal’s 155g overall weight.

There are four strain gauges in each pedal, as well as magnetic measurement of cadence, sending 200 signals per second to the head unit.