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-   -   a quick dumb question (https://www.bikeforums.net/classic-vintage/934925-quick-dumb-question.html)

scale 02-19-14 09:41 PM

a quick dumb question
 
Im going to look at a bike circa 1984 - 1985 soon. It has friction shifters on down tube bosses. Will those bosses accept indexed shifters should i want to change to this in the future?

seedsbelize 02-19-14 09:47 PM

I'm certainly not an expert, but I would say Yes. Indexing appeared in 87 as I recall.

nfmisso 02-19-14 11:08 PM

Yes; and they can also be used for cable stops if you want to go with brifters.

brian3069 02-20-14 12:00 AM

Not if the bike was originally equipped with Shimano shifters. From, I think 1982 till 1985 Shimano used proprietary shifter bosses. There are no index shifters compatible with those bosses and cable stops have to be modified.

RobbieTunes 02-20-14 06:37 AM

+1 on Brian's post. If you went indexing, you'd have to alter the backing plates of the shifters to fit over the bosses.
Been there, done that, on a 1986 Cilo with SLX, had to take a file to the backing plates, then found some made for that kind of boss and indexing.


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