SRAM "ATTACK", FOR OPERATION WITH SHIMANO GEARS/derailleurs, [ rear ] & SX 4, [ front ].
MIXED Shifter set, 3X9 Speed. [left front, right rear], Gear Levers/Trigger, Shifters Set.
The front SX 4, 3 speed shifter works on both SHIMANO & SRAM "FRONT" derailleurs, as the pull ratio is the same for both, on front gears.
*IMPORTANT* Rear shifter, "ATTACK 9 Speed, Works only with SHIMANO rear gears, with 2:1 Pull Ratio.
Excellent shifters by SRAM to run your SHIMANO deraialleur gears front & rear, strong alloy housing, check the pictures to see the quality.
*IMPORTANT, they are, "3 X 9 SPEED" shifters to operate with shimano rear gears & shimano or sram front.
Premium quality 9 speed trigger shifters in Black, so you can use nice SRAM triggers with shimano.
ATTACK triggers are some times rare & hard to get. note, the SX 4 trigger is a wishbone style of shifter.