Single Speed Bike Gear Ratio

Here's our formula for picking the correct gear ratio on a fixie:

No need for all these charts and stuff:

Look out the window. .
How flat is it? (0-10) =x
Look in the mirror.
How trendy are you? (0-10) =y
Measure the bars
How narrow are they? =z

So 110+x+y-z=gear inches

Of course this is from when the urban fixie was the go-to bike style for the novice youth , circa 2005

Might be hopelessly inaccurate now😄
 
Here's our formula for picking the correct gear ratio on a fixie:

No need for all these charts and stuff:

Look out the window. .
How flat is it? (0-10) =x
Look in the mirror.
How trendy are you? (0-10) =y
Measure the bars
How narrow are they? =z

So 110+x+y-z=gear inches

Of course this is from when the urban fixie was the go-to bike style for the novice youth , circa 2005

Might be hopelessly inaccurate now😄
So the narrower the bar the bigger gear? Isn't that backwards due to leverage?
 
Cheapest option is to fit a multiple freewheel and then you can experiment.
Most sensible option also I reckon. Use a chain tensioner with a cassette/freewheel to find which ratio suits you best, then decide.
We all have different power outputs and preferences in cadence. I used to be a big-gear masher but am a gentle spinner nowadays.
 
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