70 and 60 would probably be a good combo. What sizes does the dingle cog come in?
It's a 6 bolt cog ala velo-solo, so pretty much totally flexible in terms of ratios, as long as I can get the chain length to match pretty close. I was scouring your thread but couldn't find much ratio chat.
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70 and 60 would probably be a good combo. What sizes does the dingle cog come in?