ISO Shimano 10 or 11 sp cogsogs: 14 t next-to-outer position, dished; 13 t outer, dished.

[Patrick Moore]

“Dished” might not be the right word, but for the 2 smaller outermost cogs I need a 13 that fits into a 14 and has a built-in spacer with tabs to fit Shimano splines; and a 14 also with its own spacer with tabs to fit Shimano splines. 

If anyone has any of these to sell — again, 10 or 11 sp only — I’m interested. I’m also interested in online sources for these. And finally, I’m interested in learning the correct nomenclature if the names I used are not the conventional ones.

I wanted to install a 13-14-15-16-17-18-19-21-25-28 on the Matthews dirt road bike, replacing the 14-28 10 sp; the 14-28 has a “dished” 15 with built-in spacer and tabs into which fits a 14 t outer with built-in spacer and tabs. As I did not have the same sort of pair in a 13-14, I had to use the 14-15 which leaves the top end gears a bit low.

Thanks, Patrick

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Patrick Moore

Alburquerque, Nuevo Mexico, Etats Unis d'Amerique, Orbis Terrarum

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When thou didst not, savage, know thine own meaning,

But wouldst gabble like a thing most brutish,

I endowed thy purposes with words that made them known.

[Patrick Moore]

I can find a 2nd position 13 t XT cog that ought to work as an outer, but no one seems to make a 14 t second position cog of a similar design. https://www.amazon.com/Shimano-CS-M771-Sprocket-Wheel-13T/dp/B078XRPBQL

And there are 14 t outers but they don’t “nestle” with the outer 13: I tried to install a “dished” 13 t outer (serrated) over a “dished” 14 t outer (also serrated) and the 13 won’t fit into the 14. 

I guess that the 13t is meant as a second position for a 12t or 11 to outer.

I do have a 15 t 10 sp “dished” cog with integrated spacer into which a 14 t “dished “outer fits and that’s what I’ve installed. 87” top gear in the 14, 81” 9th gear. A 13 outer would give a 94” high.

A 12t outer is too high: 102”.

Anyone?

Am I SOL if I want a 13-14-etc 10 speed cassette?

I want to keep the 42 t outer ring.

I suppose an 87” high is not the end of the world, but not having the 94” I want is annoying.