Shimano SL-TX50-3/6/7/18/21 Speed Shifter MTB Bike Bicycle Trigger Shift Gear-OE
TX50 3-Speed Left. TX50 6-Speed Right. TX50 7-Speed Right. TX50 3-Speed Left + 6-Speed Right. TX50 3-Speed Left + 7-Speed Right. Featuring Shimano’s trusted SIS (Shimano Index System) for precise rear shifting and a clear Optical Gear Display, the SL-TX50 ensures you always know your gear position at a glance.