SHIMANO | SHIMANO Tourney SL TX30 Bicycle Shift Lever 6/7s 18/21 Speed TX30 Shifters Inner Gear Cable Included Shifter 3 Speed

 SL-TX30 Shifter LeverSL-TX30-LNTOURNEY - Thumb Shifter Plus - Left Shift Lever - 3x7/6-speed (friction)The TOURNEY SL-TX30-LN is a thumb shifter for mountain bikes that features  OPTICAL GEAR DISPLAY, which tells riders what gear position is selected while riding.SL-TX30-6RTOURNEY - Thumb Shifter Plus - Right Shift Lever - 6-speedThe  TOURNEY SL-TX30-6R is a thumb shifter for mountain bikes that features SHIMANO's OPTICAL GEAR DISPLAY, which tells riders what gear position is selected while riding.SL-TX30-7R TOURNEY - Thumb Shifter Plus - Right Shift Lever - 7-speedThe  TOURNEY SL-TX30-7R is a thumb shifter for mountain bikes that features  OPTICAL GEAR DISPLAY, which tells riders what gear position is selected while riding.