Originally Posted by
A.Winthrop
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So, then. 7-spd shifters can be used in both SIS and friction
modes with 6-, 7- and 8-spd freewheels. That's nice!
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8-speed center to center is touch narrower than 7-speed but its been done before. Some 8-speed cassetttes and freewheels have the same C2C as a 7 speed.