[yakusarider]

Will a 9 speed shifter work on a 8 speed cassette.


Shifter: SRAM X7 9 speed
Rear Derailleur: SRAM SX.5 MIDE CAGE
CASSETTE: SRAM 11X32, 8 SPEED

 

[Guyechka]

Will a 9 speed shifter work on a 8 speed cassette.

No, not at all.

The shifter is indexed to move the derailleur a certain distance. That distance must match the spacing of the cassette. Plus an 8 speed chain will not work on a 9 speed cassette.