Some inside and outside threshold efforts around 250W from this year (2021):
Stages dual-sided OUTSIDE:
Stages dual-sided INSIDE TR POWERMATCH (Dec 2018)
Quarq OUTSIDE:
Quarq OUTSIDE:
Same power smoothness on all of those, at 15-21W standard deviation.
Ramp test Stages single-sided (left only) with PowerMatch (Sept 2018):
Ramp test Stages dual-sided with PowerMatch (March 2019):
Never had a problem with my power meters, as you can see above the ‘smoothness’ is consistent, power graphs look similar, and smoothness is really dictated by my ability to deliver smooth power. These are the 3 power meters:
- Stages Ultegra 6800 left-only
- Stages Ultegra 8000 dual-sided
- Quarq PM on SRAM Force crank
Power graphs also look like those from two gym bikes: Stages SC3 indoor bike (single-sided) and FreeMotion S11.8.