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Cadence. Speed.
90 rpm at 5km/h
90 rpm at 10km/h
90 rpm at 15km/h
90 rpm at 20km/h
90 rpm at 25km/h
I've been thinking about gear ratios and this seems the minimal amount of gears on could get by with.
It will allow me to tackle hard climbs and headwinds at a healthy cadence.
And I rarely exceed 25 km/h on a touring rig with 4 loaded panniers and two top loads on the flats. Heavy speeds with heavy loads are dangerous as well plus I just coast downhill. I find low gearing is much more important to save the knees, big gears are redundant for me.
Now what are the gear combinations I need to achieve this?
