• Hiya mate, probably an amateur question but what chainring did you use on your Ultegra to make it single speed? Assume it’s 1 1/8th?

  • It's the kind of small ring that comes with the chainset, installed on the inside where it'd usually be.

    3/32 chainring, 1/8 chain and sprocket. Chain line is slightly off, but no problem, there's a little float with the chain being wider than the chainring.


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    • 20200402_124749.jpg
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