Originally Posted by
melk
Hi all, I recently picked up a 87-89 Ironman Expert (haven't decoded the SN yet)
which has a mix of Shimano 105 & 600 components. I need to get new tubes + tires but am very eager to try it out!
http://www-hsc.usc.edu/~rpinder/Dave...rionNotes.html
This is how you would go about decoding the SN