Shimano TOURNEY SL-TX50 3/6/7-speed Thumb Shifter right
The SHIMANO TOURNEY SL-TX50-7R is a thumb shifter for mountain bikes that features SHIMANO's OPTICAL GEAR DISPLAY, which tells riders what gear position is selected while riding (no box packaging).

Product features
Use: MTB/Trekking
Group: Tourney
Model: SL-TX50
Shifter Type: Thumb Shifter Plus
Mounting: Clamp
Mount:  Left / right
Gear : 3/6/7-speed 
Optical Gear Display: Yes
Instant Release: No
Multi Release: No
2-Way Release: No
Cable adjust: No