Perhaps I can help,
Two friends of mine bought new C16R,s way back when.There was constant bickering between them as one was a C16R and the other a C16RS.
Both were fully rigid the only diference that I can remember was that the C16R had an STX groupo and the C16RS had an STX-RC groupo.
On second thoughts the RS may have had better rims as well.
Hope this helps.
Can you remember if there were any different markings?
It's just the frame I am buying and I don't want to pay a premium, even a small one, over a standard C16R.
And come on folks, what would you pay for a decent condition C16R frame? I wont sue anyone. I have no idea.
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