Shimano Index System - Dura-Ace (SIS)
Short Name:Dura-Ace SISYear Introduced:1984
Speed Range:6sp - 8spIndexed Component:Shifter
General Information
Shifting System Component Variations
NameCategoryGearingYear Introduced
6sp Dura-Ace SISShifters6sp1984
7sp Dura-Ace SISShifters7sp1988
8sp Dura-Ace SISShifters8sp1992
Dura-Ace SISRear DerailleursN/A1985
Component List
Generally in Indexed systems, either the shifting or the derailleur component contains the indexing logic. Here is a list of components currently on which utilize the Shimano Index System - Dura-Ace (SIS) shifting mechanism.
Component NameModelGroupCompatibility
Shimano #6439807 B-type shifter adapter, 600EX6439807600 Ultegra6sp Dura-Ace SIS; 7sp Dura-Ace SIS; 8sp Dura-Ace SIS; 6sp Shimano SIS; 7sp Shimano SIS; 8sp Shimano SIS; Friction
Shimano SL-7400, Dura-Ace 7400 (6sp)SL-7400Dura-Ace 74006sp Dura-Ace SIS; Friction
Shimano SL-7401, Dura-Ace 7400 (7sp)SL-7401Dura-Ace 74007sp Dura-Ace SIS; Friction
Shimano SL-7402, Dura-Ace 7400 (8sp)SL-7402Dura-Ace 74008sp Dura-Ace SIS; Friction
Rear Derailleurs
Shimano 7700, Dura-Ace 77007700Dura-Ace 7700Dura-Ace SIS; Dura-Ace STI
Shimano RD-7400, Dura-Ace (6sp)RD-7400Dura-Ace 7400Dura-Ace SIS; Dura-Ace STI; Friction
Shimano RD-7401, Dura-Ace (6/7sp)RD-7401Dura-Ace 7400Dura-Ace SIS; Dura-Ace STI; Friction
Shimano RD-7402, Dura-Ace (8sp)RD-7402Dura-Ace 7400Dura-Ace SIS; Dura-Ace STI; Friction
Mavic 840840Dura-Ace SIS; Dura-Ace STI; Friction; Mavic
Mavic 841841Dura-Ace SIS; Dura-Ace STI; Friction; Mavic
Mavic 845845Paris-Gao-DakarDura-Ace SIS; Dura-Ace STI; Friction; Mavic
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