Shifters - Rapid Fire, rear - Shimano index – Rivendell Bicycle Works
Shimano Shift Levers All Speeds and Models – Gravity Coalition
Amazon.com: CHAOYANG Shifter 3x7 Speed Shifter Brake Lever Set 21 Speed Bike Gear Shifter and V Brake Cable for Moutain Bike, Road Bike, MTB, BMX, Fixie Gear, Cycling : Sports & Outdoors
SHIMANO TOURNEY TY EZ FIRE PLUS Shift/Brake Lever 7-speed | SHIMANO BIKE-EU
Shimano SL-TX30 3/6/7/18/21 Speed MTB Mountain Bicycle Thumb Gear Shift Set | eBay