Universal Cycles -- Shimano SL-TX30 Tourney Thumb Shifter Set - 7 Speed [ESLTX30P7FAT]
SHIMANO Shimano Tourney SL-TX50 3x7-Speed Thumb Shifter Set - SoCal Bike - Oceanside, Carlsbad and north San Diego county's favorite bike shop, Bicycle and ebike rentals, sales, and service