Old 01-10-19, 12:15 PM
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Location: Fort Collins, CO
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Bikes: 1974 Paramount ~ 1974 Raleigh Pro ~ 1977 Pro-Tour ~ 1978 TX900 ~ IronMan 85,87:E/M,88:M/Pro,89:E ~ 98 Peugeot Festina Replica

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Originally Posted by texaspandj View Post
^^^That is Some solid knowledge there.
Given that does anyone know if the 7 speed 6400 tri color rear derailleur (oem on the '88 '89 Master IM) has a different pull ratio than the 8 speed 6401 tri color rear derailleur?
I use the 6401 on my '89 but for 7 speed. It is Awesome, so smooth, and precise. I don't even want to take it off to try it out on the Carbon for the 8 speed gripshift. But.. I will when I get me a dura ace 7700 rear derailleur and 7700 braze on front derailleur for my '89 Ironman.
all of the Shimano SIS derailleurs have the same pull except for the 7400 Series Dura Ace.
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