Originally Posted by Sheldon Brown
All Shimano rear derailers made since about
1987 are SIS. As to the index issue, this is _only_ an issue with index systems...friction basically works with everything.
(Yes, I know the old Benelux coil spring derailers from the '50s needed a lever with more travel...) ;-)
Sheldon
"How Far Back Do We Need To Go?" Brown
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| Any smoothly functioning technology |
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| --Arthur C. Clarke |
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Probably nit picking,but I was thinking 1985.
sydney "got a box full of old pre index shimano RD that wouldn't work"
the pack rat .