Power meters are one of the most helpful upgrades you can make to aid your training but how do you choose the right type.
Power meter pedals vs crank.
The assioima duo is a dual sided system and takes power from both legs whereas the uno is a left sided pedal.
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.
Nick walks through the differences.
Crank power meters such as the sram dzero measure strain between the crank spider and the chain ring bolts.
They break one of them snapped on the second ride.
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.
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.
They are dual sided pedals that provide the right power left power plus an improved pedal metric.
These power meters measure power up to 2 000 watts and cadence from 30 180 rpm.
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.
First off let s look at crank power meters.
I sold the assioma and bought a stages crank power meter.
Hence the ultimate selections that you need to try out.
Whether the force is applied on the left or right side the power meter will measure it.
These are all retail prices.
Additionally we find that the weight is centralized closer to the rotational axis.
The cleats wear out ridiculously quickly.
The assioma power meter pedals are manufactured by favero electronics an italian based company.
And the pedals are more difficult to clip into than shimano pedals.
As an added bonus the power meter is built on the non drive side shimano ultegra r8000 crank arm which reduces the likelihood of accidental damage or disruption as you pedal.
What the differences between measuring power at the pedal chainring and hub do illustrate is that power meters are only accurate to themselves.
The pedals themselves weigh 305g for the pair.
As a power meter it worked fine.
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.
