Shimano SLTX30 frictionx7 thumbshifter set

shimano,Tourney SL-TX50/TX30 Thumb Shifter SetIncludes SIS40 shift cable setThumb shiftersOptical gear displayItem SpecificationsWeight283Double or TripleTripleDrivetrain Speeds7Front Der/Shifter Compatibilityshimano,MountainShifter StyleThumb