Shimano Tourney SL-TX50, TX30 Thumb Shifters Thumb shifters Optical gear display Includes OT-SIS40 Shift Cable Set| Item Specifications- Left Shifter FD/Shifter Compatibility Mountain Triple Item Specifications- Right Shifter Cassette Spacing 6-Speed Shifter/Derailleur Compatibility Shimano End Type Shimano/Sram
- Thumb Shifter Plus (left shifter is non -SIS)
- Planetary gears for light operation
- Easy to understand operation
- Optical gear display
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