Right shifter is a trigger-type 3 or 6 speed shifter with one lever for downshifts and a thumb button for up-shifts. Left speed shifter is SIS type. Bottom Bracket. Speed shift indicator. Cassettes-7 Speed.
Shimano Tourney TX51 3 x 6 / 7 Speed Front Derailleur - 31.8mm or 34.9mm Clamp
SHIMANO Tourney SL-TX30 3×6 / 3×7 speed Shifter MTB Bike Bicycle Thumb Shifter
Shimano Tourney Fd-ty601-l6 Front Derailleur 3 x 8s
Shimano Tourney/TY SL-RV200 revo shifter, with display, 3-speed, left hand, Black
SHIMANO TOURNEY SL TX50 Shifter Shift Lever 3 6 7 18 21 Speed MTB Bike Bicycle