I just bought a El Mariachi 2
It came with a slx 2x10 crankset.
I'd like to convert this into a single speed, not a 1x10.
do I use the inner ring or the outer ring for this?
can I buy any 104 bcd chainring?
Is it cheaper/easier to just buy a ss crankset?
By "inner" or "outer" you meant "small" or "big" chainring. Everybody else meant whether or not you place the ring on the inside or outside of the spider. Obviously you should replace the "big" ring with a single speed chainring. On a triple crankset you can run the chainring on either side and that gives you a little bit of chainline adjustability. I'm not sure if that's possible on a double. If it isn't, just run the new ring where the old one was.
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