They look threadless and also have a rake as you have stated. Would need to know the maximum rake the OPs frame could handle while still allowing a bar spin I would think.
Sorry, my mistake, didn't read the OP properly, yes, they're threadless, and they're 1 1/8" not 1"
Sorry, my mistake, didn't read the OP properly, yes, they're threadless, and they're 1 1/8" not 1"