<jerrymoos@sbcglobal.net> wrote:
> Speaking of Campy rings, does anyone know what years the Campy NR large rings were made with the peg on the ouside that kept the chain from falling between the spider and the crankarm? I thought these were on the early NR cranks, but my 1972 Paramount doesn't have it, while my 1984 Trek 6600 does, and I think both chainrings are original. Was this a CPSC thing?
The pinned 'rings were actually later than the unpinned ones i think...