Amazon.com : Bike Front Derailleur, Universal Bicycle Steel Speed Changer TZ 30, Replacement Parts Accessories for Bikes/Cruisers/Electric/Hybrid Mountain Cycle(Pull Down Type) : Sports & Outdoors
Amazon.com : Shimano Front Derailleur TOURNEY FD-TZ30 6/7-fold DOWN SWING 31.8mm Down-Pull : Sports & Outdoors
Shimano Tourney SL-TZ500 3-Speed Left Thumb Shifter