Shimano Tourney RD-A070 Rear Derailleur - 7 Speed, Short Cage, Black, Shimano Rear Direct Mount - SoCal Bike - Oceanside, Carlsbad and north San Diego county's favorite bike shop, Bicycle and ebike
20 in. Fat Tire Bike Adult/Youth Full Shimano 7-Speed Mountain Bike in Red CX624FB-RD - The Home Depot
Universal Cycles -- Shimano SL-TX30 Tourney Thumb Shifter Set - 7 Speed [ESLTX30P7FAT]