> On Nov 27, 2023, at 8:55 AM, Eric Daume <ericda...@gmail.com> wrote:
>
> IMO redundant gears are more of a conceptual or theoretical concern than a
> real issue. If you’re setting up a triple, you really end up with:
>
> - a middle ring for the majority of your riding
> - a small ring for big hills, use it with the biggest cogs in back
> - a big ring for downhills or otherwise going fast. Use it with your medium
> and small cogs and back.
>
Perfectly described.
Sarah, given that you have said you pretty much live in your 34t, this sounds
like it fits your use case well. There’s a slight learning curve to getting
comfortable shifting a triple, but with the right combo of chainrings and front
derailer, it should work reliably. Grant has written a good description of how
to get reliable shifts, but it presumes the mechanical things are set up
correctly. Also, if you are going up a really steep hill, you might not have a
half revolution worth of momentum.
Imagine the circular pedal path as the face of a clock, and shift at
4:30. That’s half of your success.
When your shifting foot is at 6:00, stop muscling the pedal entirely.
Let it drift to 12:00. Call this ‘floating,’
and it’s the other half of success.
As you float that pedal to 12:00, you also have to float the other side
pedal to 6:00. The point is to eliminate
power for half of a pedal revolution to de-tension the chain and give
the shift time to take. When you
honest-to-goodness float the pedal after the shift for, it takes just
half a stroke. If you apply power even though
you're not supposed to, the shift goes to hell, you lose your momentum,
you fail.
Ted Durant
Milwaukee, WI USA
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