SHIMANO TOURNEY LEFT THUMB SHIFTER 3 x 7/6-speed (Friction)
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
Bike Twist Right Shifter 6/Speed Shimano Revo. bike part, bicycle parts. - Walmart.com
Amazon.com : MOHEGIA Bike Shifter SL-TX30-6R,6 Speed Mountain Bicycle Right Thumb Gear Shift Lever : Sports & Outdoors