Shimano DEORE LX Dual Control Shift-Brake Levers for V-Brake ST-M580. Let's you shift gears up or down regardless of your hand position on the handlebar.
Shimano Deore LX ST-M580 Dual Control Brems-/ Schalthebel ST M580 Rechts 9 Fach | eBay
Shimano Deore XT Dual Control Lever (Hydraulic Disc Brakes) - Bicycle Habitat NYC
Cipher Shimano Deore LX st-m580-r dual control right 9sk/590017 - AliExpress
Shimano Deore XT ST-M765 LEFT ONLY Dual Control Shifter BR-M765 Hydraulic Disc | eBay
The Fall, Rise, and Fall of RapidRise | Car Less Ohio
Genuine Nos Shimano LX Dual Control Lever, ST-M585, Hydraulic, Left Or Right,New | eBay
KIT CAMBIO + DUAL CONTROL SHIMANO LX M580 3X9V
WE TEST-RIDE THE '05 HONE AND DEORE LX GROUPS - Mountain Bike Action Magazine
Shimano Deore LX ST-M580 Levers - Bike Rebuilds
Shimano LX M585 Dual Control Shifters – Condor Cycles
Shimano Deore LX ST-M580 3 x 9 Speed Dual Control Shifters – Sportandleisure.com