[flynbulldog]

post a picture of the drive you're looking for, I might have a spare.

 

[flynbulldog]

I did some digging around an unfortunately I found that I might be in the same boat as you, One of the drives on my bikes has a mangled tab (but it does still turn) and I did not find any spares. However it seems that my bikes have the 23/11 ratio. Sorry I couldn't help.

 

[flynbulldog]

Don't Bother with these tangs, they don't fit, being of different dimensions ie thicker than original doesn't allow the retaining circlip to fit.

I've installed several of these just fine