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The family names of these standards are reversed by some in actuation ratio notation as opposed to that of the more common shift ratio. In Shimano systems a unit of cable shifted causes about twice as much movement of the derailleur.
The family names of these standards are reversed by some in actuation ratio notation as opposed to that of the more common shift ratio. Thus, in Shimano systems a unit of cable shifted causes about twice as much movement of the derailleur.