Shimano SL-TX30 3/6/7/18/21 Speed MTB Mountain Bike Thumb Gear Shift Lever Set
Right shifter is a trigger-type 6 or 7speed shifter with one lever for down-shifts and a thumb button for up-shifts. Speed shift indicator. Inner gear cable included. 3x6 Speed Shifter Set. 3x7 Speed Shifter Set.