Originally Posted by top506
Both my 312 and 512 came with the same grey wound (ie: non-SIS) cable housing on the RD. For that matter, so did my Centurion Ironman of the same timeframe. All three were Shimano index shifting.
FWIW, when I re-built the 512 I replaced this housing with SIS, just to play it safe.
Top
I figured I was right that it was originally non SIS housing. But yours was gray on the rd mine is clear. I think it is non original.
Thanks for the info