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Odd BCD.
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I bought these chain rings and they have an odd BCD. They have 60 mm between holes What are they?. The difference between holes for 110BCD is 65mm. https://cimg2.ibsrv.net/gimg/bikefor...6248b59f0b.jpg |
Next time, type sheldon bcd into just about any search engine.
(Avocet Triple inner.) |
Sheldon's crib sheet has the Avocet Triple inner as a 102 BCD with 60.0mm between adjacent holes.
Sheldon Chainring Crib Sheet |
You might have covered it up with the ruler but there should be a tooth count stamping that looks like this: ~36
That’s the logotype for Ofmega and Avocet chainrings. They make 144mm bcd main and middle double chainrings and 102mm and 74mm bcd inners for its triples. |
Yes, I have 2, ~36t and 2, ~40t
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