I'm hoping some techie will know this.
Running single speed/fixed, what is the biggest difference of cogs you can use on the same chain length?
Example : Same chainring, same chain, if I was to install the biggest cog with the wheel all the way forward. And then the smallest cog with the wheel pulled as far back as possible, what is the difference?
trying to build up a fixed/free and want to have the widest range I can.
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