Originally Posted by
old's'cool
I.e., not "rocket science". Or, do you disagree?
Not rocket science nor do I disagree. However the OP may not have been aware of the need to grind down the large Hyperglide cog tab in order to fit it to a Uniglide cassette body. Heck we don't even know yet whether or not the OP has a cassette or a freewheel.
Cheers