Shimano SLTX30 3x6 thumbshifter set

shimano,Tourney SL-TX50/TX30 Thumb Shifter Set* Optical gear display* Includes SIS40 shift cable set* Thumb shiftersItem Specifications---Weight: 283Double or Triple: TripleDrivetrain Speeds: 6Front Der/Shifter Compatibility: shimano,MountainRear Der/Shifter Compatibility: shimano,MountainShifter Style: Thumb