Crank power meters such as the sram dzero measure strain between the crank spider and the chain ring bolts.
Power meter pedals vs crank.
As a power meter it worked fine.
What the differences between measuring power at the pedal chainring and hub do illustrate is that power meters are only accurate to themselves.
The assioima duo is a dual sided system and takes power from both legs whereas the uno is a left sided pedal.
This is limited to power meters that measure power in more than one location such as pedals but also more expensive crank based units like rotor 2inpower.
Power meter pedals with the sensor on just the left side pedal retail from 415 favero assioma to 600 garmin vector 3 to 750 srm exakt.
These are all retail prices.
Additionally we find that the weight is centralized closer to the rotational axis.
Power meters are one of the most helpful upgrades you can make to aid your training but how do you choose the right type.
Nick walks through the differences.
I sold the assioma and bought a stages crank power meter.
If you want power meter pedals with sensors in both you are looking at 650 favero assioma 900 powertap p2 1000 garmin vector 3 and 1300 srm exakt.
The cleats wear out ridiculously quickly.
If you have a hub power meter on one bike and a chainring power meter on another bike your data from one bike will be similar to but not identical to the data from the other bike.
They break one of them snapped on the second ride.
Power tap p2 power meter pedals is a great unit of power pedals that will easily swap between bikes for better compatibility.
They are dual sided pedals that provide the right power left power plus an improved pedal metric.
They are loose and noisy.
The assioma power meter pedals are manufactured by favero electronics an italian based company.
But it reminded me why i ditched look pedals some years ago.
Whether the force is applied on the left or right side the power meter will measure it.
First off let s look at crank power meters.
These power meters measure power up to 2 000 watts and cadence from 30 180 rpm.
That s a little heavier than a standard shimano 105 spd sl pedal which doesn t include a power meter but it s less than the garmin vector 3.
Hence the ultimate selections that you need to try out.
