Shimano Deore M590 9-Speed Rapidfire Plus Shifter

(discontinued)

Dual-control lever provides fast shifting; upper lever now swings either way so you can use your thumb or forefinger. Instant release allows quick shifts.
2-position brackets lets you personalize the levers' position for a customized feel.
Long levers improve access and feature ergonomic touch points.
Positive index improves rider feedback.
Optical gear displays float above the handlebar for easy clamp setting, and they are completely removable.
Cable is included.