New Shimano SIS RD TY15 Rear Derailleur 5-6-7 Speed - NOS | eBay
Shimano Tourney SIS RD-TY18 5/6 Speed MTB Bike Rear Derailleur Short Cage Hanger | eBay
My daughter's Trek came with a 6-speed Shimano Revoshift SIS Index. It's a new bike. She can shift to higher gears easily but does not have the grip strength to shift back
Shimano Tourney TX30 Thumb Shifters - Olympic Bike Shop | Tahoe City, CA
BeeCool Bikes | SHIMANO TOURNEY TY Long Cage Rear Derailleur 6/7-speed
SHIMANO TOURNEY Short Cage Rear Derailleur 6-speed | SHIMANO BIKE-EU
Shimano RD-TZ500 Tourney Rear Derailleur, Direct Attachment - Walmart.com
Shimano Deore XT SL-M730 Thumb Shifters: 6 Speed SIS - Black (Near Mint) - Bike Recyclery
Vintage Shimano SIS Shifters 3/6 Speed Index NOS (483) | eBay
Amazon.com : Inkesky RD-TZ31-GS 6/7 Speed Rear Derailleur with Direct Mount, Medium Cage, for Mountain Bike : Sports & Outdoors