Amazon.com: SHIMANO ST-EF500-4 Bicycle Shift/Brake Lever Set - 3 x 7 Speed, EZ-Fire Plus, 4F-Alloy, for V-Brake - Black - ESTEF5004PV7A3 : Sports & Outdoors
Amazon.com : Shimano FD-M310 Aultus Front Derailleur (28.6-34.9-mm 3x7/8 Speed Low-Clamp) : Front Bike Derailleurs : Sports & Outdoors
SHIMANO Tourney ST-A073 STI 3x7 Spd STI Shifters Lever Set (Left & Right) | eBay
Shimano Altus M315 3x7 Spd Shifter Set - Cambria Bike
microSHIFT MTB Thumb-tap Schalthebel-Set Pair Shimano 3x7 speed - black | Schalthebel | BMO Bike Mailorder
Amazon.com: KAKO Shifter 3x7 Speed Shifter Brake Lever Combo 21 Speed Shifter Set and Brake Levers with Inner Cables Compatible with Bicycle Mountain Bike : Sports & Outdoors