Originally Posted by
Leukybear
Eyeballing it, it looks like you're going to need to add a 2 full links to that chain before you can run an 18T.
Yes, you should be fine with that drop out.
If you need to dial the length of the chain in, use a half link like this one:
Adding a tooth to the cog moves the axle only 1/8”, so only a half link is needed, since it will move the axle back 1/4”. Two full links as you suggest is waaaaaay too much.
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